Final answer:
The sentence describing how Ella's perspective has changed is that she formerly supported her husband's position but now holds resentment towards it.
Step-by-step explanation:
Based on the provided texts examining various characters' perspectives and life changes, the sentence that best describes how Ella's perspective has changed is A.) She used to support her husband's position, but now she resents it. This option captures a significant shift in attitude towards her spouse's stance, which is a type of dynamic detailed in the passages about other characters undergoing personal transformations, shifts in relationships, and changed life circumstances.