Ernie Wants to Add a Screenshot of an Entire Window

Ernie wants to add a screenshot of an entire window into his file.To do so,he clicks on the document at the location where he wants to add the screenshot,then clicks Screenshot in the Illustrations group on the Insert tab.What will he do when the Available windows gallery appears next?

A) Click the thumbnail image of the window whose screenshot he wants to insert.
B) Click Screen Clipping,then press and hold the left mouse button to drag and capture the window screen.
C) Select a thumbnail of the required window,then press and hold the left mouse button to drag and capture the window screen.
D) Click Screen Clipping,and when the pointer becomes a hand icon,capture the window screen.