If nobody takes away the puppy after 7 days, he will keep her.

If nobody ____ the puppy after 7 days, he ____ her.
(A) will take away; will keep
(B) took away; kept
(C) takes away; will keep
(D) has taken away; would keep
Source: written by a Taiwanese teacher of English.

The answer to the above question is option C.
Do native speakers agree with the answer?

C was the response that sprang at me. It is probably the one the teacher expects.

However, A is also possible - will is used with the idea of is willing to.
It would not surprise me to hear some native speakers producing D.

Another bad question.