He was just going to give up _ another chance came.() A.when B.while C.although D.however请选择答案,并说明理由

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He was just going to give up _ another chance came.() A.when B.while C.although D.however请选择答案,并说明理由

He was just going to give up _ another chance came.() A.when B.while C.although D.however请选择答案,并说明理由
He was just going to give up _ another chance came.() A.when B.while C.although D.however
请选择答案,并说明理由

He was just going to give up _ another chance came.() A.when B.while C.although D.however请选择答案,并说明理由
答案:A
根据句意“他正要放弃,这时另一个机会来了”,或翻译为“当另一个机会来的时候,他正打算放弃”可知,这里应该用表示“当.时”的连词.
when引起的时间状语,既可以是点的时间,也可以是一段时间;谓语动词既可以是瞬间动词,也可以是延续性动词,而while引起的时间状语从句的谓语动词只能是延续性动词.该句中的came是瞬间的动词,故不能选B.

选B。
一个动作发生的时候,另一个动作也随即一起发生,从句用一般过去时或一般现在时,主句用现在或者过去进行时 ,那么这个连词选while

while

A 当另一个机会到来时,他正准备放弃。
用when用在表示短暂的动词前

选A
B后面只能接可延续动词, come不是, while 只能表达 during the time 的意思
C前后句子意思不搭
D前后句没有转折关系,如果前半句是He dicided to give up 后面可以接D

A能够表达at 或者 during the time

不明白再交流