【題目】The reason why he was late for school this morning is __________ his bike broke down on his way to school.

A. that B. because

C. since D. as

【答案】A

【解析】句意：他之所以今天早上上學(xué)遲到了，是因?yàn)樯蠈W(xué)路上他的自行車壞了。The reason why is that...……的原因是……。

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