Question

【题目】He made a lot of mistakes in the exam his carelessness.
A.because
B.as
C.because of

Answer 1

【答案】C
【解析】句意：他在考试中犯了很多错误……他的粗心。because后面接句子，because of后接短语，as译为“作为”，his carelessness是短语，故结合句意选C。