解释一道选择theaudiencedon'tunderstandItalian,theycanonthewholefollowthestoryoftheopera.AWhile,BifCWhenDSince这个题为什么选择A从语法角度帮我解释一下,为什么不选D啊

Question

解释一道选择
__the audience don't understand Italian,they can on the whole follow the story of the opera.
A While ,B if C When D Since
这个题为什么选择A 从语法角度帮我解释一下,为什么不选D啊

Answer 1

A While 在这句话里,while 表虽然、尽管,引导让步状语从句,在这里相当于although.while有四个用法1.during the time that当...时候,表时间2.although 虽然 尽管,表让步3.whereas 然而,表转折4.as long as 只要,表条...