He won't change his mind ______ you go and try to persuade him yourself.

问题描述:

He won't change his mind ______ you go and try to persuade him yourself.
He won't change his mind ______ you go and try topersuade him yourself.
A.since B.until C.as if D.even if
为什么答案是D?not until

not ...until 主要是表示时间关系方面的,在逻辑关系方面说明力较弱.
而且句中可以看出,“他”尚未被说服,而not until是无法对尚未发生的事情进行有效说明的.
even if,即使
“即使您亲自出马去劝服他,他也未必会回心转意.”