执行以下程序段后，变量C$的值为a$=”Visual Basic”b$=”Quick” c$=b$ & Ucase(Mid$(a$,7,4)) & Right$(a$,2) A: Quick BASIC B: QuickVISUIC C: Quick Visual D: QuickISUic
执行以下程序段后，变量C$的值为a$=”Visual Basic”b$=”Quick” c$=b$ & Ucase(Mid$(a$,7,4)) & Right$(a$,2) A: Quick BASIC B: QuickVISUIC C: Quick Visual D: QuickISUic
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