I have come to the point_,for the first time,I must make a decision

题目

I have come to the point_,for the first time,I must make a decision
I have come to the point_,for the first time,I must make a decision on my own.Awhich Bthat Cwhen Dwhere
我在B和D中犹豫.这是定语从句还是同位语从句呢

答案

D
同位语从句只能用that引导,这里首先不可能是同位语从句.其次,point这个先行词,和时间无关,所以只能选where.