若有定义：char * st="how are you "; ，下列程序段中正确的是
A) char a[11], *p; strcpy(p=a+1, ＆st[4]); B) char a[11]; strcpy(++a, st);
C) char a [11]; strcpy (a, st); D) char a [], * p; strcpy (p=＆a [1], st+2);

A) int a[5]=0, 1, 2, 3, 4, 5;

B) char a[]='0', '1', 2', 3', '4', '5', '\0'; .
C) char a='A', 'B', 'C';


D) int a[5]="0123";

A) 9
B) 不确定值
C) 0
D) 18