题目内容
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提问人：网友dreamskiller
发布时间：2022-01-07
[主观题]
文件test.txt包含2行内容： This is a test file Please print this file 下面的代码运行结果是 f=open（"test.txt","r") s1=f.readline（) print（s1) s2=f.readline（) print（s2) f.seek（0) s3=f.readline（) print（s3) f.close（)
A、This is a test file Please print this file
B、This is a test file Please print this file This is a test file
C、This is a test file Please print this file Please print this file
D、This is a test file This is a test file This is a test file
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