43）执行以下程序后，test.txt文件的内容是 若文件能正常打开）#includemain ){FILE *fp;char *s1=”Fortran”,*s2=”Basic”;if fp=fopen “test.txt”,”wb”))==NULL){ printf “Can't open test.txt file”); exit 1);}fwrite s1,7,1,fp); /*把从地址s1开始的7个字符写到fp所指文件中*/fseek fp,0L,SEEK_SET); /*文件位置指针移到文件开头*/fwrite s2,5,1,fp);fclose fp);}
(A)Basican
(B)BasicFortran
(C)Basic
(D)FortranBasic