You can copy a selected shape by holding down the key and then dragging the shape.
a_[ctrl]
b_[esc]
c_[alt]
d_[tab]

Option A is the correct choice answer for the above question.

Explanation:

In an MS-Powerpoint document, when a user wants to copy the selected shape and drag that shape for use in slides then he needs to--

Then the user gets the shape on the slide for their personal use.

The question scenario also suggests the same which is described above. hence Option A is the correct answer while the other is not because--

answerdragging;

answer inspecting packets in isolation from their context;