—There is still a copy of the book in the library. Wall you go and bottow          ?

—No, I’d rather buy         in the bookstore.

A．it; one

B．one; one

C．one; it

D．it; it

设变量x为float型且已赋值，则以下语句中能将x中的数值保留到小数点后两位，并将第三位四舍五入的是

A．x=x*100+0.5/100.0;

B．x=(x*100+0.5)/100.0;

C．x=(int)(x*100+0.5)/100.0;

D．x=(x/100+0.5)*100.0;