Where my trousers ?- on the bed .A. are It’sB. is It’sC. are They’reD. is

问题补充：

--- Where my trousers ? --- on the bed .

A. are , It’s

B. is , It’s

C. are , They’re

D. is , They’re

答案：

A. are , It’s

B. is , It’s

(答案→)C. are , They’re

D. is , They’re

解析：句意：我的裤子在哪里？在床上。trousers,本身是复数，所以系动词用are，代词用they ,故选C。