How do you design an API Test in HP Unified Functional Testing?

A.
by adding steps from the Keyword View

B.
by draggingactivities from the Toolbox pane onto the canvas

C.
by creat.ng test classes and men adding test methods from the Editor

D.
by recording API level actMt.es and then enhancing the basic test

Explanation:
You create test steps by dragging activities from the Toolbox pane into the canvas.
http://technodivine.com/downloads/Help-and-Guides/02-QTP/04-UTF-Documentation11.5/05-
UFT_API_Tutorial.pdf