单选题
文件“score2.csv”中存放了3位同学的成绩数据，内容如图所示，小李编写了如下程序：
csv_file = open("score2.csv","r")
flines = csv_file.readlines()
csv_file.close()执行程序后，flines的结果是？（?）
A
['202008480,18', '202008319,19', '2202008333,20']
B
['202008480,18\n', '202008319,19\n', '2202008333,20\n']
C
['准考证号,成绩', '202008480,18', '202008319,19', '2202008333,20']
D
['准考证号,成绩\n', '202008480,18\n','202008319,19\n','2202008333,20\n']