I won’t go to see the film tonight, because I _________my ticket.

                                                                                                                                                        [ ]

A. 1ost          

B. have lost

C. will lost        

D. didn't lost

有以下程序

　　#include

　　#define SUB(a) (a)-(a)

　　main()

　　{ int a=2,b=3,c=5,d;

　　d=SUB(a+b)*c;

　　printf("%d\n",d);

　　}

　　程序运行后的输出结果是（）

A．0

B．-12

C．-20

D．10