猪场带猪消毒最常用的消毒药是（）

A.0.1%高锰酸钾溶液

B.0.1%氢氧化钠溶液

C.0.3%食盐溶液

D.0.5%过氧乙酸溶液

E.2%福尔马林溶液

The service shop___him 30 yuan for repairing his TV set.

A．asked

B．paid

C．owed

D．charged