A.If Command1.Caption =""开始考试""Then Timer1.Enabled =TrueB.If Command1.Caption =""开始考试""Then Timer1.Enabled =True End IFC.If Command1.Caption <>""开始考试""Then Timer1.Enabled =TrueD.If Command1.Caption <>""开始考试""Then Timer1.Enabled =True End If
A.文件另存为B.打开文件C.颜色D.打印
A.文件另存为B.打开文件C.字体D.打印