下列程序运行结果是?#includemain(){char c1='a';char c2='b';char c3='c';int a=3.5,b='A';printf("a=%db=\'%c\'\n\"end\"\n",a,b);printf("a=%cd%c\b%c\tabc\n",c1,c2,c3);}
A. a=3.5b='A'"end"a=adbcabc
B. a=3b='A'"end"a=adcabc
C. a=3b=Aenda=adbcabc
D. a=3b=Aenda=adbcabc