Some students support themselves by__of evening jobs.Aways Bmeans C efforts D method

Some students support themselves by__of evening jobs.Aways Bmeans C efforts D method
Some students support themselves by__of evening jobs.Aways Bmeans C efforts D method

Some students support themselves by__of evening jobs.Aways Bmeans C efforts D method
选B.
固定搭配.by means of
adv.
依靠,利用...做某事

一些学生支持他们自己 by__of 傍晚工作。 离开 Bmeans C 努力 D 方法
注:by__of Bmeans C D实在不明白什么意思

B
依靠的意思 by means of