执行以下程序后，test.txt文件的内容是(若文件能正常打开) ( )。#include ＜stdio.h＞#include ＜stdlib.h＞main( ) FILE * fp; char * s1 = Fortran , * s2 = Basic ; if((fp = fopen( test. txt , wb )) = = NULL) prinff( Can’t open test. txt file n ); exit(1); fwrite( s1 ,7,1 ,fp); * 把从地址s1开始到7个字符写到fp所指文件中* fseek(fp,OL,SEEK_SET); *文件位置指针移到文件开头* fwrite (s2,5,1,fp); felose (fp);
A．Basiean
B．BasieFortran
C．Basic
D．FortranBasie