【題目】I don't know ________ up so early last Sunday.

A. why did he get B. why he gets

C. why does he get D. why he got

【答案】D

【解析】試題分析：句意：我不知道為什么他上周起的如此早。不管什么類型的賓語從句，總是用陳述語序，即：從句的連接詞后是主語、謂語、賓語的語序，從句的時態(tài)要與主句的時態(tài)保持一致。當(dāng)主句是一般現(xiàn)在時，從句可以根據(jù)需要選用任意時態(tài)。結(jié)合句意，故選D

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