Professors should ________ repeating in lectures material that i

Professors should ________ repeating in lectures material that is in the textbook.
A、avoid
B、prevent
C、refuse
D、refute
【正确答案】：A
【题目解析】：avoid 避免；prevent 预防；防止；refuse 拒绝；refute 反驳；句意：教授应该____重复课本上的内容。因此A 符合题意。