People were afraid to leave their house, ______ the police had been ordered to stand by in case, of emergency, they were just as confused and helpless as anybody else.

A．and even if

B．but since

C．however after

D．for though

下列关于应税营业额的说法不正确的有( )。

A．金融机构的转贷业务，以贷款利息减去借款利息支出后的余额为应税营业额

B．建筑业的总承包人将工程分包给他人的，以工程的全部承包额为应税营业额

C．期货买卖业务，以出卖价为应税营业额

D．娱乐业向顾客收取的各项费用减去烟酒费和饮料费等费用后的余额作为应税营业额