单选题：（样卷）下面哪种方法读文件“input.txt”是正确的.

（样卷）下面哪种方法读文件“input.txt”是正确的.
@[C](2)

A. in_file = open('input.txt','w')
B. in_file = open('input.txt',r)
C. in_file = open('input.txt','r')
D. 都不正确.




A.in_file = open('input.txt','w')
B.in_file = open('input.txt',r)
C.in_file = open('input.txt','r')
D.都不正确.


答案：C