A lot of food as well as some tents _________to Yushu since the earthquake occurred.

A．has been transported

B．have been transported

C．is being transported

D．are transported

若在某窗体模块中有如下事件过程：
Private Sub Command1_Click(Index As Integer)
End Sub
则以下叙述中正确的是______。

A) 此事件过程与不带参数的事件过程没有区别
B) 有一个名称为Command1的窗体，单击此窗体则执行此事件过程
C) 有一个名称为Command1的控件数组，数组中有多个不同类型控件
D) 有一个名称为Command1的控件数组，数组中有多个相同类型控件