单选题在Visual Foxpro环境下，执行下列命令： Number=""3"" File=""file""+Number useFile 当前打开的表文件的主文件名是（）AFile3BFileCFileNumberDFile
单选题
在Visual Foxpro环境下，执行下列命令： Number=""3"" File=""file""+Number use&File 当前打开的表文件的主文件名是（）
A
File3
B
&File
C
FileNumber
D
File
参考解析
解析：
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