选 C
Not having been informed of his name,we had a lot of trouble in finding the patient.
由于不知道那位病人的名字,我们很难找到他.可以解释一下吗？Having在句首，后面加动词的过去分词。就是现在分词短语做状语，表示时间，原因等，其语法功能相当于一个状语从句. 本题 Not having been informed of his name 是原因状语, 否定直接在having前加not.
___of his name ,we had a lot of trouble in finding the patient.
___of his name ,we had a lot of trouble in finding the patient.
A not informed B not having informed C not having been informed D having not informed
A not informed B not having informed C not having been informed D having not informed
其他人气：104 ℃时间：2020-04-15 17:28:23
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