单选题The reason ___ he di

问题补充：

单选题Thereason___hedidn’tattendthemeetingyesterdaywas___hischildhadfallenill.A.that, whyB.why, thatC.why, whyD.that, that

答案：

B解析用关系副词why引起定语从句修饰主语the reason;第二空是用that引导表语从句.