GRE考试

【单选题】The teacher has______catering to some students, but to retain his tenure, which effects only after a teacher has unanimously gratified his students, he offers his complaints______.
A、a hesitancy about … carelessly
B、an aptitude for … sparingly
C、a repugnance toward … tactfully
D、an enthusiasm about … zealously
E、a blitheness about … carefully
网考网参考答案：C
网考网解析：
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