I tried very hard to persuade him to

问题：

[单选] I tried very hard to persuade him to join our groups but I met with flat refusal.

A . disapproval
B . rejection
C . refusal
D . decline

参考答案：C

参考解析：

【答案】C
【解析】本题意为“我竭力劝他加入我们的团体，但遭到断然拒绝”refusal“拒绝”：disapproval“不同意，不赞成”；rejection“拒绝，抵制”；decline“婉言谢绝”。flat refusal系固定搭配．意为“断然拒绝”。