Question

He failed in the exam ____ his carelessness

1. A.
   as a result of
2. B.
   as result
3. C.
   result from
4. D.
   result in

Answer 1

A
考查短语辨析，as a result of 由于什么的结果，result from由于什么的结果，result in造成什么样的结果，句意：由于他粗心的结果他考试没及格。题中已经有了谓语failed，所以应用介词短语作状语，选A。