Every year, _______ visitors come to Taixing to enjoy the delicious food, such as Huangqiao cakes, Xuanbao dumplings and so on.

A．two hundreds

B．thousand of

C．thousands of

D．two hundred of

在哪种情况下，ECU可中断起动（）

A.自动起动和人工起动；

B.自动起动；

C.假起动。