Some broccoli _____ on the table. Some apples _____ in the case. [ ]

A. is; are

B. are; is

C. is; is

D. are; are

在窗体上画一个命令按钮，然后编写如下事件过程：
Private Sub Command1_Click()
For i=1 To 4
X=4
For j=1 To 3
x=3
For k=1 To 2
x=x+6
Next k
Next j
Next i
Print x
End Sub
程序运行后，单击命令按钮，输出结果是 【14】 。