--Tom used to be afraid of snakes.

-- ________. I thought they were scary.

A．So did I

B．So do I

C．So was I

D．So I was

下面的描述中表达错误的是

A．公有继承时基类中的public成员在派生类中仍是public的

B．公有继承时基类中的private成员在派生类中仍是private的

C．公有继承时基类中的protected成员在派生类中仍是protected的

D．私有继承时基类中的public成员在派生类中是private的