Bob said he was going to join our club but he didn’t. What a shame! He ______ his mind.

A．can’t have changed

B．mustn’t have changed

C．wouldn’t have changed

D．shouldn’t have changed

依次填入下面一段文字中横线处的词语，恰当的一组是 ( ) 对于杨志，我们______可怜其遭遇，______鄙薄其为人；对于林冲，我们______寄以满腔的同情，______深惜其认识不够；对于鲁达，我们______除了赞叹，别无可言。

A．虽 但 则 却又 则

B．既 却又 虽 但又 却

C．虽 却 既 却又 却

D．是 却是 是 却又 则