They failed to plete the project for of enough financial support.
A. lack
B. lacking
C. lacked
D. having lacked
网友回答
(答案→)A. lack
B. lacking
C. lacked
D. having lacked
解析：考查非谓语动词和固定搭配。句意：他们未能完成那个项目，因为缺乏足够的资金支持。lack是及物动词，也可作名词，for lack of因缺乏，如果用非谓语动词中的现在分词lacking的话，需要把for去掉，故选A。