打开一个随机文件，下列语句正确的是
A.Open "abc.txt" As #1 B.Open "abc.txt" For Random As #1 C.Read "abc.txt" For Random As #1 Len=31 D.Open "abc.txt" As #1 For Random正确答案B
打开一个随机文件，下列语句正确的是
A.Open "abc.txt" As #1 B.Open "abc.txt" For Random As #1 C.Read "abc.txt" For Random As #1 Len=31 D.Open "abc.txt" As #1 For Random正确答案B
