You should read the in the car repair manual (手册) carefully before you start to work on i

问题补充：

You should read the in the car repair manual (手册) carefully before you start to work on it.

A. instruction

B. introductions

C. instructions

D. explanations

答案：

A. instruction

B. introductions

(答案→)C. instructions

D. explanations

解析：考察名词词义辨析。Instruction指示，命令；常常用复数形式instructions表示“使用说明”；introductions介绍；explanations解释；句意：在你使用之前，你应该阅读汽车上维修手册里的使用说明。根据句意说明C项正确。