40) 有以下程序struc STU{ char name[10];int num;};void f1 struct STU C){ struct STU b={“LiSiGuo”,2042};c=b;}void f2 struct STU *C){ struct STU b={“SunDan”,2044};*c=b;}main){ struct STU a={“YangSan”,2041},b={“WangYin”,2043};f1(A;f2 &B);printf “%d %dn”,a.num,b.num);}执行后的输出结果是
(A)2041 2044
(B)2041 2043
(C)2042 2044
(D)2042 2043