he died ______an HIV infection that he had got from a blood transfusion nine years earlier.

题目

he died ______an HIV infection that he had got from a blood transfusion nine years earlier.
A.for B.from C.as a result of . D.as a result from

答案

B.from
die from,固定短语,死于...,间接死因.从语法上讲,C as a result of 也没有错
他死于9年前因输血感染的HIV病毒.