It is ______ for children to learn to take care of themselves if they are going to camp for two weeks

by themselves.  [ ]

A. aware  

B. fundamental  

C. active    

D. reliable

设有程序：
Option Base 1
Private Sub Command1 Click()
Dim arrl，Max as Integer
arrl=Array(12，435，76，24，78，54，866，43)
______ =arrl(1)
For i=1 To 8
If arrl(i)＞Max Then_______
Next i
Print“最大值是：”；Max
End Sub
以上程序的功能是：用Atray函数建立一个含有8个元素的数组，然后查找并输出该数组中元素的最大值。请填空。