Question

【题目】—Why is he absent today?

—It is he is sick.

since

as

for

because

Answer 1

【答案】D

【解析】本题考查because的用法。回答why提问的问句时用because来回答，because后加原因。句意为：“为什么今天他没来？”“那是因为他病了。”故选D。