Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.
You use your mobile phone a lot, so you have large phone bills.
A. If you don't use your mobile phone a lot, you don't have large phone bills.
B. If you didn't use your mobile phone a lot, you wouldn't have large phone bills.
C. If you don't use your mobile phone a lot, you won't have large phone bills.
D. If you won't use your mobile phone a lot, you won't have large phone bills.
