单选题 The captain performs his duties with great ______ and all the crew believed that they can get over the storm.
A. affection B. suspicion C. assurance D. definition

【正确答案】 C

【答案解析】[解析] affection“友爱，爱情，影响”；suspicion“怀疑”；assurance“确信，断言，自信”，with assurance“有把握地，自信地”；definition“定义，解说，精确度”。