以下程序的输出结果是()。(注:└┘代表空格) #include<stdio.h> int main() { printf("\nstring1=%15s*","programming"); printf("\nstring2=%-5s*","boy"); printf("string3=%2s*","girl"); return 0; }
A.string1=programming└┘└┘└┘└┘* string2=boy* string3=gi*
B.string1=└┘└┘└┘└┘programming* string2=boy└┘└┘*string3=gi*
C.string1=programming└┘└┘└┘└┘* string2=└┘└┘boy*string3=girl*
D.string1=└┘└┘└┘└┘programming* string2=boy└┘└┘*string3=girl*