Question

Is this the reason ______ at the meeting for his carelessness in his work?

A．he explained	B．what he explained
C．how he explained	D．why he explained

Answer 1

A

此題考查定語(yǔ)從句的基本結(jié)構(gòu)，本句先行詞是reason，為從句謂語(yǔ)的邏輯賓語(yǔ)，故引導(dǎo)詞用that，that可以省略。選A。