执行以下程序段后，变量c的值为( )。 a="Visual Basic Programing" b="|Quick" c=b&Ucase(Mid(a,7,6))&Right(a,11) A．Visual BASIC Programing B．Quick Basic Programing C．QUICK Basic Programing D．Quick BASIC Programing

请修改调试下列代码，并将正确完整代码填入。#include "math.h"void main(){printf(Programing is fun.\n)；}

PLC英文名称的全称是（ ）。 A: programming logic controller B: programmable logic controller C: programmer logical controller D: programing logical controller