线性表最常用的操作是存取第i个元素及其前趋的值，则采用_____

A．Private Sub Command1_Click()
Dim myfrt As fruit
myfrt. orange = 5
myfrt. apple = 10
Open “c:\myfrta. txt” For Output As #1
Print #1, myfrt. orange; myfrt. apple
Close #1
End Sub
B．Private Sub Command1_Click()
Dim myfrt As fruit
myfrt. orange= 5
myfrt. apple= 10
Open “c:\myfrtac. txt”For Input As #1
Print #1, myfrt, orange; myfrt. apple
Close #1
End Sub
C．Private Sub Command1_Click()
Dim myfrt As fruit
myfrt. orange= 5
myfrt. apple = 10
Open “c:\myfrtac. txt” For As #1
Print #1, myfrt. orange; myfrt. apple
Close #1
End Sub
D．Private Sub Command1_Click()
Dim myfrt As fruit
myfrt. orange = 5
myfrt. apple= 10
Open “c:\myfrtac..txt” For Output As #1
Print myfrt. orange; myfrt. apple
Close #1
End Sub

线性表最常用的操作是存取第i个元素及其前趋的值，则采用______ 存储方式节省时间。