要打开一个已存在的用于修改的非空二进制文件“hello.txt”,正确语句是______
A.fp=fopen("hello.txt ","r" ) ;
B.fp=fopen("hello.txt ","ab+" );
C.fp=fopen("hello.txt ","w" ) ;
D.fp=fopen("hello.txt ","r+" )
- · 有5位网友选择 D,占比45.45%
- · 有4位网友选择 A,占比36.36%
- · 有1位网友选择 C,占比9.09%
- · 有1位网友选择 B,占比9.09%