單項(xiàng)選擇題若有定義:struct KeyWord {char Key[20];int ID;}kw[]={"void",1,"char",2,"int",3,"float",4,"double",5};則printf("%c,%d\n",kw[3].Key[0],kw[3].ID);語句的輸出結(jié)果為()

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


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5.單項(xiàng)選擇題當(dāng)全局變量與局部變量重名時(shí),那么在調(diào)用時(shí)()

A.局部變量會(huì)被屏蔽
B.全局變量會(huì)被屏蔽
C.都不會(huì)調(diào)用,系統(tǒng)會(huì)報(bào)錯(cuò)
D.會(huì)調(diào)用兩次,先調(diào)用局部變量,再調(diào)用全局變量