<span>
A. The woman who is crossing the street is my ex-wife</span>
The answer is ''the overall topic of the author's essay''
Answer:
My mom was being helped<em> by me</em> - Passive Voice
Explanation:
Passive voice always have "by" in it so we need to add and even changing the tense
I was helping my mom - Active Voice
My mom was being helped<em> by me </em>- Passive Voice