What Is the Insertion Point as It Relates to a Textbox

Multiple Choice

What is the insertion point as it relates to a textbox found in a dialog box?

A) The place in a textbox to start typing that is shown by a vertical bar
B) The place in a textbox to start inserting that is shown by a horizontal bar
C) The place in a textbox to start talking that is shown by a waitress
D) The place in a textbox to start dialoguing that is shown by a bar stool