[Q]: How does the sentence end?

Steven was able to divide in math class much faster than Justin, so

[A]: Justin had a bad score on the test.

[Q]: How does the sentence end?

Steven has trouble being around the depressed Nelson, because

[A]: Nelson is never in a happy mood.

[Q]: How does the sentence end?

The accident that Hunter was in was worse than the one Donald was in because

[A]:
Hunter was going faster.