------“The Leaning Tower of Pisa must be saved, __________ the cost.”

------“But Italy is now deep in the European Debt Crisis. It would be unlikely __________ its government hoped to ”

A．however, even though

B．whatever, even if

C．whoever, as if

D．whichever, as though

某工程项目合同约定采用调值公式法进行结算，合同价为50万元，其中可调部分为：人工费占15%，材料费占60%，其他为不可调部分。结算时，人工费价格指数上涨了10%，材料费价格指数上涨了20%，则该项目结算工程价款需调整的价格差额为（）万元。

A．6

B．6.35

C．7

D．6.75