问题
选择题
Alan is a careful driver, but he drives _________ of my friends.
A．more carefully
B．less carefully
C．the most carefully
D．the least carefully
答案
答案：D
短语辨析。more carefully更细心的;less carefully更不细心的;the most carefully 最细心的;D. the least carefully最不细心地.句意:阿兰是个细心地司机,但是在我的朋友们中开车最不小心.结合语境可知选D.最不小心的.