[Q]: How does the sentence end?

His muscles got a lot bigger from using the powders than from using the vitamins, because the 
OPTIONS:
- vitamins were useless.
- powders were useless.

[A]: vitamins were useless.


[Q]: How does the sentence end?

I wish that I had enough money to buy a new house, but I don't because the 
OPTIONS:
- house is too expensive.
- money is too expensive.

[A]: house is too expensive.


[Q]: How does the sentence end?

Jeffrey was unable to buy the expensive kit for his car, unlike Christopher, because 
OPTIONS:
- Jeffrey was poor.
- Christopher was poor.

[A]:
Jeffrey was poor.