The employees' main_______was that they had not received their p

The employees' main_______was that they had not received their pitiably low pay.（ ）
A、distrust
B、grievance
C、suspicion
D、comprehension
【正确答案】：B
【题目解析】：distrust n. 不信任 怀疑 grievance n. 抱怨 牢骚 suspicion 怀疑 comprehension 理解力句意：雇员们的主要抱怨是他们还未得到那点可怜微薄的收入。