— Where is my dictionary? I remember I put it here yesterday.

— Perhaps, you ________ it in the wrong place.[    ]

A. must have put  

B. should have put

C. can have put  

D. might have put

某砂土场地采用振冲桩处理、正方形布桩，桩径0.6m，桩距1.8m，不考虑成桩时的振动下沉密实作用，土体天然承载力为120kPa，天然孔隙比为0.85，最大孔隙比为0.89，最小孔隙比为0.63，按《建筑地基处理技术规范》（JGJ79-2002）计算。

如处理后砂土承载力为180kPa，桩体承载力为350kPa，复合地基承载力为（）。

A.185kPa

B.190kPa

C.195kPa

D.200kPa