She must be looking forward as much to  his return as he himself is to_____  her.  [ ]

A. see    

B. have seen  

C. seeing    

D. be seeing

下列程序的运行结果是( )。 #include＜stdio．h＞ main() { int a=0，b=4，c=0，d=10，x；if(a) d=d-10；else if(!b) if(!c)x=15； elsex=25；printf("%d\n"，d)； }

A．5

B．3

C．20

D．10