_______ money was spent on the project.  [ ]

A. A great deal  

B. A large number of  

C. A large amount of    

D. A good many

设a为“《三国演义》”，b为“《鲁迅全集》”，则a与b的外延关系为（）。

A、a真包含于b

B、b真包含a

C、a与b全异

D、a与b全同