Answer:
The correct answer is option C. Blinking vertical line on your screen.
Explanation:
A cursor is a blinking underline character whose function is to indicate where the next character will be on our screen.
A cursor can be moved using a mouse, or the arrow keys of a keyboard and is used to select or type in different areas of the screen.
A cursor has a pointer, which is shown as an arrow.
In case you are using a program that supports it, the cursor can appear in two ways: as a text cursor or as a mouse cursor.
