Answer: (C) Double click
Explanation:
She uses mouse for double click command as double click enabled for selecting the data. So, by using the double click command she can easily move the given insertion point at top page.
The main function of the double click is that it is the term used to press the mouse twice very quickly without make any movement the mouse.
We can perform many functions by using this command as we move the various parameters by selecting the proper word or text and also we can highlight the main points in the page.