A. “char*a一"china";”等价于“char*a;*a一"china";” B. “char str[5]一{"china");”等价于“char str[]={"china");” C. “char*s="china";"等价于“char*s;s="china";” D. “char cE4]=“abc”,d[4]==“abc”;”等价于“char c[4]==dr4]=“abc”;