The reason ______ he didn’t come was ______ he was injured
A.that; becauseB.why; thatC.why; becauseD.that; that在线课程B
试题分析：第一空考查定语从句，此处the reason是先行词，其在定语从句中作原因状语，用why；第二空考查表语从句，he was injured是一个完整的句子，不缺成分，故用that；所以选B。句意：他为什么没来的原因是他受伤了。
考点：考查从句的知识。