________ otherwise directed by a doctor,this medicine should

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________ otherwise directed by a doctor,this medicine should be taken three times a day.
A If
B Until
C Unless
D Although
为什么答案是C呢?如果翻译的话好像不太对头嘛,我觉得A比较好.

对啊,unless是除非的意思.除非医生有特别交代,否则就按一天三次来.
用if来表示如果时,翻译不通：如果医生有另外的交代,这个药按什么什么的.（既然有了另外的交代,说明后面的内容应该不被执行才对,与已有的语句矛盾.）你把后面这句的内容理解成前面医生的遗嘱了吧.是理解错误了.

________ otherwise directed by a doctor,this medicine should A movie directed by badfish You should take this medicine three times a day 提问 directed by Directed by A and starring B. 英译汉unless directed by a physician You should have your eyes ___ by a doctor A:Should I take some medicine?B:No,you don’t ________ to tak 一、单选题1、A:Should I take some medicine?B:No,you don’t ________ 1、A:Should I take some medicine?B:No,you don’t ________ to t If I take this medicine twice a day ,it should ____ my cold. If I take this medicine 3 times a day,it should __my cold.用T