Problem: How does the sentence end?

Laura had to ask Megan what flavor frozen yogurt she wanted, because 
OPTIONS:
- Laura might have changed her mind before reaching the counter.
- Megan might have changed her mind before reaching the counter.
Answer: Megan might have changed her mind before reaching the counter.

Problem: How does the sentence end?

She left the bookstore with a bag of books and DVDs. The 
OPTIONS:
- DVDs would be useful when she's too tired to read.
- books would be useful when she's too tired to read.
Answer: DVDs would be useful when she's too tired to read.

Problem: How does the sentence end?

Carrie isn't able to pick fresh flowers every morning like Mary because 
OPTIONS:
- Carrie has a rose garden.
- Mary has a rose garden.
Answer: Mary has a rose garden.

Problem: How does the sentence end?

Jen tried to avoid distractions by clearing off her desk and putting her phone away, but the 
OPTIONS:
- desk was too loud to ignore.
- phone was too loud to ignore.
Answer:
phone was too loud to ignore.