His efforts to raise money for his program were because no one showed any intention to take a cent out of their pockets.
A. in place
B. in sight
C. in effect
D. in vain
网友回答
A. in place
B. in sight
C. in effect
(答案→)D. in vain
解析：句意：他为这个项目筹集资金的努力徒劳无功，因为没有人愿意从腰包里掏一分钱。in vain意为“徒劳”，符合句意。