单选题

打开一个已有文件,逐行读取内容,并顺序写入到另一个文件内,代码如下,则划线处的语句为?(  )

file_read = open("1.jpg","rb")

file_write = open("2.jpg","wb")

while True:

______________________________

if not text:

break

file_write.write(text)

file_read.close()

file_write.close()

A

text = file_read.readline()

B

text = file_read.readlines()

C

text = file_read

D

text = '1,jpg'

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