Problem: How does the sentence end?

Kevin was a very healthy individual compared to Donald, because 
OPTIONS:
- Kevin went the fitness center daily.
- Donald went the fitness center daily.
Answer: Kevin went the fitness center daily.
sentence: Jessica has a softer pillow they use than Elena when sleeping, so  OPTIONS:
- Jessica feels rested in the morning.
- Elena feels rested in the morning.
complete: Jessica feels rested in the morning.
At the farmer's market, Erin chose a lemon while Rebecca chose watermellon, because 
OPTIONS:
- Erin was craving something sweet.
- Rebecca was craving something sweet.
Rebecca was craving something sweet.
Input: Continue writing.

College studying for exams suits Nick, but isn't easy for Nelson because 
OPTIONS:
- Nick is very studious.
- Nelson is very studious.

Continued: Nick is very studious.
Story needs to be completed:
Maria was more efficient than Christine, so 
OPTIONS:
- Maria pretty frequently missed a deadline at work.
- Christine pretty frequently missed a deadline at work.

My choice:
Christine pretty frequently missed a deadline at work.
Problem: How does the sentence end?

So 
OPTIONS:
- Robert enjoys ignoring books because Robert spends a lot of time with books and Aaron outside.
- Aaron enjoys ignoring books because Robert spends a lot of time with books and Aaron outside.
Answer:
Aaron enjoys ignoring books because Robert spends a lot of time with books and Aaron outside.