下列词语中，各对加点字的读音都不相同的一项是（ ）

A．谥号／关隘蕨类／一蹶不振昵称／泥古不化

B．拜谒／竭尽白桦／哗众取宠磕碰／阖家欢乐

C．漂白／剽悍木槿／谨小慎微 缱绻／稳操胜券

D．匮乏／馈赠帐蓬／通货膨胀傧相／摈而不用

There is no      in trying to persuade him to change his mind, for he never follows the advice of others.

A．doubt

B．point

C．difficulty

D．wonder