confidence resulted in his failure in the interview.A. Lack of B. Lack forC. Lacking ofD

问题补充：

confidence resulted in his failure in the interview.

A. Lack of

B. Lack for

C. Lacking of

D. Being lacked

答案：

A. Lack of

B. Lack for

C. Lacking of

D. Being lacked

解析：考查名词短语做主语。本题考查Lack of+名词作主语。Lack of缺少…句意：缺少信心导致了他面试失败。故A正确。