单选题Rememberthatthereisstillonepoint_

单选题 Remember that there is still one point ____ we must make clear at the conference tomorrowA.whereB.whyC.whenD.that

D解析考查定语从句的关系词。先行词是one point，在定从____ we must make clear at the conference tomorrow中作make的宾语，所以用that引导。选D。

我明天再问问老师，叫他解释下这个问题