Some members of the staff couldn't handle Murray's condition

Some members of the staff couldn't handle Murray's condition,hard ___ they tried.
A as
B although
C when
D even if
答案选A我知道为什么,但是BCD如何使用,为什么不选BCD?

wee113 1年前已收到2个回答举报

trisasun 幼苗

共回答了16个问题采纳率：93.8% 举报

此处as引导让步状语从句,为习惯用法.如果要使用B或者D,从句结构需要调整为：although they tried hard和even if they tried hard

1年前

阳光5 幼苗

共回答了18个问题采纳率：83.3% 举报

as 在这里是虽然，尽管的意思，引导让步状语从句，并且as 引导的从句要倒装
倒装的方法是将从句的表语或状语放在as之前，
这里hard 副词努力地做状语，提前后变为 hard as they tired 尽管他们尽力地尝试了
although尽管，even if 即使也引导让步状语从句，但不用倒装
when 当……时，意思就不合题意...

1年前

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