, experts point out that students can easily fail at starting their business bec

_____, experts point out that students can easily fail at starting their business because of a lack of preparations.

   A.But                B.However           C. while             D.though

试题答案

B

解析:

B考查连词和副词近义词辨析。依据句式逗号特点应该用副词。however符合语法用法。