At this point he has to stay in the back hallway when we 're not home and at night because he sometimes ca n't wait to be let out before he pees . And he 's gotten really chunky . And I have n't been able to do any agility with him because of the way Prednisone affects muscle tissue .
What is the speaker talking about ?
Pick the best answer from the following options:
A. None of the above choices .
B. Yes he has normal agility
C. Yes he is in good shape
D. Yes there is no Prednisone in his muscle


A