[Q]: How does the sentence end?

The tree in Monicas yard was a lot bigger than that of Lindsey because
OPTIONS:
- Monica had an older tree.
- Lindsey had an older tree.

[A]: Monica had an older tree.

[Q]: How does the sentence end?

When moving the sofa, they couldn't get it through the door. The
OPTIONS:
- sofa was too narrow.
- door was too narrow.

[A]: door was too narrow.

[Q]: How does the sentence end?

Matthew had dirtier hair than Adam did because
OPTIONS:
- Matthew washed their hair almost every day.
- Adam washed their hair almost every day.

[A]:
Adam washed their hair almost every day.