【单选题】执行下面的程序,单击窗体后窗体消息框内显示结果是( )。 PRIVATE SUB FORM_CLICK() DIM STR AS STRING, K AS INTEGER STR='AB' FOR K = LEN(STR) TO 1 STEP -1 STR=STR&CHR(ASC(MID(STR, K, 1)) +K) NEXT K MSGBOX STR END SUB
【单选题】执行下面的程序,单击命令按钮后,窗体中的输出结果是 ______。 Private Sub Cotomand1_Click() Ch$='Welcome Home!' a=Len(ch$) For i= 1 To a b$ = Mid(ch$, i 1) If b$ = 'm' Then m = m + 1 Next 1 Print m End Sub