My cat would not have bitten the toy fish _______ it was made of rubber. A. if she knew B. if she has known C. had she known D. if she should know
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
My cat would not have bitten the toy fish _______ it was made of rubber.
A. if she knew
B. if she has known
C. had she known
D. if she should know