when Helen began looking for a job after college,she found that she could not get ____ without work experience.

问题描述:

when Helen began looking for a job after college,she found that she could not get ____ without work experience.
a.it b.one c.that d.this
谁能解释一下为什么选B

A C D 都是需要上下文特指的,这里没有提到
同时,one 可以代替同类中的任意一个,这里代替了上文提及的job