单选题 It is not easy to ______ oneself of his bad habits, just as the proverb says, "Old habits die hard".
A. remove B. kill C. dismiss D. rid

【正确答案】 D
【答案解析】remove意为“去掉,消除”;kill意为“终止,灭绝”;dismiss意为“解散,开除”;rid意为“使摆脱,解除”。rid oneself of sth.是固定搭配,意为“摆脱,除去”。