The ‘choice’ I was referring to was Sansa’s choice to marry Ramsay and walk into that room. She feels marrying him is a vital step in reclaiming her homeland.
I'm not sure what else "walk into that room" would mean but knowing she would be raped and going through with it for her plans. If I misread, I guess that's on me.
They have repeatedly had this writing choice with Sansa. At the end of season 1 we saw her strength as she stood up to Joffrey. We then had that beaten out of her and she was nearly raped for good measure. At the end of season 2 we saw her trying to soothe the worried women during Blackwater and we saw her happiness at getting out of her marriage to Joffrey. By early season 3 we'd learned this was for naught, that she was still silly and a dreamer, and would have to marry Tyrion. By the end of season 3 we saw her trying to cope with this and trying to cope with her family's death. In season 4 we saw her believing she was safe only to yet again have the rug pulled out from under her with Lysa's madness. By the end of season 4 she had adopted a new look and had managed to lie to protect Littlefinger, her mentor/perverted manipulator.
Now we're in season 5. She again thought she had everything together, she was cold and distant toward Reek/Theon and Myranda (which some take to mean the show wanted her to be seen as a bitch who would be put back in her place - I hope they're wrong, but given this show's views on women...), and she was raped. She is once again in a terrible place, and something will likely happen at the end of the season that will strengthen her or seem to give her room to breathe, before it's all taken away yet again in early or mid season-6.
We've already seen the Joffrey retread scenes (Joffrey/Ramsay being arrogant and delusional as Sansa cuts her eyes or smirks at him where he can't see; Sansa being warned by those close to Joffrey/Ramsay just how dangerous he is, but continuing to put up the face of reserve). We've now seen him rape her. The story is once again about her suffering and enduring.
I guess we could see this flipped on its head and it all turns into Sansa the hardcore gameplayer who gets Ramsay wherever she wants him to go and triumphs, but if that is the way it's going, then having her cry out and scream as Theon cries at the sight isn't the best start. There's also Brienne waiting and watching - unless they have yet another scene where Sansa turns her away, then presumably she is going to end up rescuing her or trying to rescue her.
What else is there to know about Sansa we don't already know? She overcomes. She suffers nobly. She's a victim who may, someday, sometime, get the chance to shine. And the rest seems to be stalling, with some shock value along the way.