Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.
‘I'll buy you a new bicycle if you stop eating junk food,' said Lam's mother.
A. Lam's mother promised to buy him a new bicycle if he stopped eating junk food.
B. Lam's mother promises to buy him a new bicycle if he stops eating junk food.
C. Lam's mother will promise to buy him a new bicycle if he stops eating junk food.
D. Lam's mother had promised to buy him a new bicycle if he stopped eating junk food.
