Problem: How does the sentence end?

Randy is suffering from emetophobia and asks for Ian's help, because
OPTIONS:
- Randy has already experienced it.
- Ian has already experienced it.
Answer: Ian has already experienced it.

Problem: How does the sentence end?

I wanted to read books but wasn't sure if I wanted mystery or romance. My BF left me so I chose the
OPTIONS:
- mystery to get my mind off him.
- romance to get my mind off him.
Answer: mystery to get my mind off him.

Problem: How does the sentence end?

Jeffrey hired a great broker to handle their finances but Benjamin handled their own.
OPTIONS:
- Jeffrey realized a low return on their investments.
- Benjamin realized a low return on their investments.
Answer: Benjamin realized a low return on their investments.

Problem: How does the sentence end?

Jeffrey was fighting with their brother and Christopher wanted them to stop, so
OPTIONS:
- Jeffrey eventually stopped fighting.
- Christopher eventually stopped fighting.
Answer:
Jeffrey eventually stopped fighting.