Mother blamed the dog for breaking the glass, but in fact I .
A. was to be blamed
B. is to be blamed
C. was to blame
D. is to blame
网友回答
A. was to be blamed
B. is to be blamed
(答案→)C. was to blame
D. is to blame
解析：考查时态。be to blame应该受到责备。根据句意用一般过去时。句意：母亲指责狗打破了杯子，但事实上我应该对此负责。