【单选题】
VB中将变量x1声明为Excel应用程序对象的方法是（）。
A、Dim x1 As Excel.Application
B、Dim x1 As Excel.Workbook
C、Dim x1 As Excel.Worksheet
D、Dim x1 As Excel.Worksheets
查看正确答案
A、A.Dim x1 As Excel.Application B、B.Dim x1 As Excel.Workbook C、C.Dim x1 As Excel.Worksheet D、D.Dim x1 As Excel.Worksheets
