执行下列程序段 　　a$="visual Basic Programming" 　　b$="C++" 　　C$=UCase(Left$(a$，7))＆b$＆Right$(a$，1 2) 　　后，变量c$的值为( )。

A:Visual BASIC Programming B:VISUAL C++Programming C:Visual C++Programming D:VISUAL BASIC Programming

若定义cin＞str；
当输入
Object Windows Programming !
所得的结果是str（　）

A:Object Windows Programming! B:Object C:Object Windows D:Object Windows Programming

若定义cin＞str;当输入Object Windows Programming!所得的结果是str（　）

A:Object Windows Programming! B:Object C:Object Windows D:Object Windows Programming

执行以下程序段后，变量c$的值为 ______。 a$="Visual Basic Programming" b$="Quick" c$=b$ & U Case(Mid$(a$，7，6))& Right$(a$,12)

A:Visual Basic Programming B:Quick Basic Programming C:QUICK Basic Programming D:Quick BASIC Programming

执行以下程序段后,变量c$的值为【 】 a$="Visual Basic Programming" b$="Quick" c$=b$&UCase(Mid$(a$,7,6))&Right$(a$,12)

A:Visual BASIC Programming B:Quick Basic Programming C:QUICK Basic Programming D:Quick BASIC Programming

若定义cin＞str； 当输入 Object Windows Programming ! 所得的结果是str（　）

A:Object Windows Programming! B:Object C:Object Windows D:Object Windows Programming

执行以下程序段后，变量c$的值为 ______。 a$="Visual Basic Programming" b$="Quick" c$=b$ & UCase(Mid$(a$，7，6))& Right$(a$，12)

A:Visual Basic Programming B:Quick Basic Programming C:QUICK Basic Programming D:Quick BASIC Programming