Problem: How does the sentence end?

She was able to lift all the boxes with books but asked the neighbour to help her with the chairs, because the 
OPTIONS:
- boxes were heavy.
- chairs were heavy.
Answer: chairs were heavy.
sentence: Mary wasn't sure whether to leave the country by plane or ship.  She ended up choosing the  OPTIONS:
- ship because she was afraid of heights.
- plane because she was afraid of heights.
complete: ship because she was afraid of heights.
Megan had a harder time on the exam than Patricia because 
OPTIONS:
- Megan kept forgetting to study.
- Patricia kept forgetting to study.
Megan kept forgetting to study.
Input: Continue writing.

Samantha got in more trouble than Rebecca did although 
OPTIONS:
- Samantha stole more things from the store.
- Rebecca stole more things from the store.

Continued: Rebecca stole more things from the store.
Story needs to be completed:
Christine wanted to look at Rebecca's closet because she wanted to dress nice like 
OPTIONS:
- Christine does.
- Rebecca does.

My choice:
Rebecca does.
Problem: How does the sentence end?

Logan was being supervised by Derrick during their withdrawal from drugs because 
OPTIONS:
- Logan was a patient.
- Derrick was a patient.
Answer:
Logan was a patient.