如下语句段执行的结果是______。 Dim chrX As Char chrX = "abc" Dim strY As String strY = "abc" TextBox1.Text = chrX & " " & strY

A、执行时弹出字符变量chrX赋值为字符串，赋值出错的信息
B、文本框TextBox1中显示内容为 abc
C、文本框TextBox1中显示内容为 a abc
D、文本框TextBox1中显示内容为 abc abc