單項(xiàng)選擇題

對(duì)函數(shù)int saveName(char * first,char * sec=" ",char * thd=" ")下列調(diào)用方法不正確的是()

A.int s=saveName("1","2","3");
B.int s=saveName("1","2");
C.int s=saveName("1");
D.int s=saveName("1",,"3");

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