John,a friend of mine,who got married only last week,spent $ 3 000 more that he_____________for the wedding.       [ ]

A. will plan                    

B. has planned        

C. would plan                  

D. had planned

根据《地下工程防水技术规范》GB50108的规定，地下混凝土工程顶部（）mm范围内的回填土，不得采用机械碾压。