罗马帝国灭亡后,欧洲的精神领袖是( )
A:佛教及喇嘛
B:伊斯兰教及穆斯林
C:罗马天主教和教皇
D:法兰克宫廷及国王
Bob knows how to cut the cost of the project. I'm sure he can do the work with _____ money and ______people.