文法測驗

Which one of the following is grammatically incorrect? (標記部分何者錯誤)

 (A) He is careless. He always "leaves the door unlocked".

 (B) As soon as he got home, he "found his wallet missing".

 (C) The boy "was caught to smoke a cigarette".

 (D) They "noticed a man sitting on the edge of a bridge railing".