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