Question

Little Tom made a lot of mistakes ___________his carelessness.

A．as

B．with

C．because

D．because of

Answer 1

D               

             
试题分析：考查介词。As 作为；with 和；because 因为后面加句子；because of 因为介词短语 。句意：小汤姆因为粗心犯了很多错误。根据句意选D项。