Problem: How does the sentence end?

Eric hacked into the movie star Ian's cell phone because 
OPTIONS:
- Eric was well known from major films.
- Ian was well known from major films.
Answer: Ian was well known from major films.

Problem: How does the sentence end?

The new armor John bought for himself will not fit through his doorway, the 
OPTIONS:
- armor was too narrow.
- doorway was too narrow.
Answer: doorway was too narrow.

Problem: How does the sentence end?

Since Craig's dog was sick and in need of a veterinarian while Kevin's was healthy and energetic, 
OPTIONS:
- Craig took their dog to the animal hospital.
- Kevin took their dog to the animal hospital.
Answer: Craig took their dog to the animal hospital.

Problem: How does the sentence end?

Jeffrey improved their game more than Steven did because 
OPTIONS:
- Jeffrey had spent time practicing more.
- Steven had spent time practicing more.
Answer:
Jeffrey had spent time practicing more.