—What did he say?
—I don’t know what________.
A．did he sayB．he saysC．he has saidD．he said
：D
：考查賓語(yǔ)從句的語(yǔ)序。所以賓語(yǔ)從句中都使用陳述語(yǔ)序，排除A。根據(jù)第一句的過(guò)去時(shí)，可知這里也應(yīng)該是過(guò)去時(shí)，故D正確。句意：—他說(shuō)了什么？—我不知道他說(shuō)了什么。故D正確。
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