[Q]: How does the sentence end?

It was more likely that Christine's computer would get infected rather than Sarah's because
OPTIONS:
- Christine had an anti-virus program.
- Sarah had an anti-virus program.

[A]: Sarah had an anti-virus program.

[Q]: How does the sentence end?

The song took longer to sing than the ballad because the
OPTIONS:
- song was less words.
- ballad was less words.

[A]: ballad was less words.

[Q]: How does the sentence end?

The divorce upset Katrina more than Natalie as
OPTIONS:
- Katrina didn't care for the person their mother had married.
- Natalie didn't care for the person their mother had married.

[A]:
Natalie didn't care for the person their mother had married.