单选题
The manager gave her his ____ that her complaint would be investigated.无
A、
assurance
B、
assumption
C、
sanction
D、
insurance
【正确答案】
A
【答案解析】
句意: 经理向她保证, 她的投诉会被调查。 assurance保证, 担保。 assumption假定; 设想。 sanction制裁。 insurance保险。
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