Yesterday Tom was late for school the heavy rain.A. becauseB. because ofC. asD. including

问题补充：

Yesterday Tom was late for school the heavy rain.

A. because

B. because of

C. as

D. including

答案：

A. because

(答案→)B. because of

C. as

D. including

解析：A. because因为B. because of由于C. as由于D. including包括；本题中谓语动词只有一个，故不能选连词，根据句意：昨天，由于大雨，汤姆上学迟到了。故选B.