relative pronoun when the antecedent is an animal

[Sitifan]

( ) Frank has a puppy ________ can catch a ball.
(A) who　(B) which　(C) it　(D) ×
The answer is option B. Is option A also acceptable?
_________________
Thank you very much for your reply.

[Daemon99]

You can say that if you are an animal activist :-)
_________________
Non-native speaker of English
=================================
I intend to live forever - so far, so good.