[Q]: How does the sentence end?

Leslie got a much higher grade on the exam than Dennis because 
OPTIONS:
- Leslie spent a long time studying.
- Dennis spent a long time studying.

[A]: Leslie spent a long time studying.


[Q]: How does the sentence end?

The cleanser was a better solution to the acne than the cream, so the 
OPTIONS:
- cleanser is probably stronger.
- cream is probably stronger.

[A]: cleanser is probably stronger.


[Q]: How does the sentence end?

Tanya was a better judge of a boy's character than Betty and this showed because 
OPTIONS:
- Tanya had a nice boyfriend.
- Betty had a nice boyfriend.

[A]:
Tanya had a nice boyfriend.