Problem: How does the sentence end?

Jojo requested a credit report so she could apply for a new card, but the 
OPTIONS:
- card was bad.
- report was bad.
Answer: report was bad.
sentence: The smile of Matthew is duller than Craig's is, so  OPTIONS:
- Matthew brushes his teeth less often.
- Craig brushes his teeth less often.
complete: Matthew brushes his teeth less often.
Craig took out some pen and paper and began to write about Adam in his notepad because 
OPTIONS:
- Craig is being interviewed.
- Adam is being interviewed.
Adam is being interviewed.
Input: Continue writing.

Girls always seem to ignore Robert, and give all the praise to Steven, so 
OPTIONS:
- Robert is likely mature.
- Steven is likely mature.

Continued: Steven is likely mature.
Story needs to be completed:
I went swimming with my towel and my float, and when the 
OPTIONS:
- towel went in the pool, I was happy.
- float went in the pool, I was happy.

My choice:
float went in the pool, I was happy.
Problem: How does the sentence end?

Jason took on more physical challenges during camp than Steven because 
OPTIONS:
- Jason was naturally aggressive.
- Steven was naturally aggressive.
Answer:
Jason was naturally aggressive.