There is no point making plaint of getting low-paid you don’t make any effort at all.
A. until
B. when
C. once
D. though
网友回答
A. until
(答案→)B. when
C. once
D. though
解析：
试题分析: A. until 直到 B. when 当…时候 C. once 一旦 D. though尽管；句意：当你根本没有做出什么努力时，还抱怨低收入是毫无道理的。故选B
考点:连词