Which two controls can you use to achieve this goal?

You are customizing a Windows Form. You need to add an input control that provides AutoComplete suggestions to the user as the user types.
Which two controls can you use to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

A.
TextBox control set to SingleLine mode

B.
TextBox control set to MultiLine mode

C.
ComboBox control

D.
RichTextBox control

E.
MaskedTextBox control