题型:问答题 简答题 执行以下程序段: a$="Visual Basic Programming" b$="C++" c$=UCase(Left$(a$, 7)) & b$ & Right$(a$, 12) 变量c$的值为( )。A) Visual BASIC Programming B) VISUAL C++ ProgrammingC) Visual C++ Programming D) VISUAL BASIC Programming 查看答案