麻烦解释下原因:_____ you are young,you must work hard.

问题描述:

麻烦解释下原因:_____ you are young,you must work hard.
A.While B.If C.Because D.Since,选哪个,想问下为什么B不对
给出的答案是D,

_Since____ you are young,you must work hard.
首先可排除A和B,明显不符合句意,其次because一般用于回答why开头的问句,所以答案选D,这里的since翻译成由于