下列程序的輸出結(jié)果是()
A.2 B.3 C.4 D.編譯時(shí)有錯(cuò)且無(wú)結(jié)果
A.123,456B.234,123C.223,456,789D.233
A.a!=’a’ B.a+b-c!=’0’-48 C.c-a==’C’-’A’ D.c<=’7’+’0’