单项选择题

若有定义:struct KeyWord {char Key[20];int ID;}kw[]={"void",1,"char",2,"int",3,"float",4,"double",5};则printf("%c,%d\n",kw[3].Key[0],kw[3].ID);语句的输出结果为()

A.i 3
B.n 3
C.f 4
D.l 4