![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
有以下程序 include<stdio.h> main() {FILE*pf; char*sl=”China,*s2=Beijing: pf=fopen
有以下程序 include<stdio.h> main() {FILE*pf; char*sl=”China,*s2=Beijing: pf=fopen(abc.dat,wb+); fwrite(s2,7,l,pf); rewind(pf);/*文件位置指针回到文件开头*/ fwrite(sl,5,1,pf); fclose(pf); } 以上程序执行后abc.dat文件的内容是
A.Chinang
B.China
C.ChinaBeijing
D.BeijingChina
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)