How does the HP QuickTest Professional Web Add-in Extensibility feature improve browser
independent support?

A.
It supports testing custom controls on both Internet Explorer and Firefox, and on different
versions of these browsers.
B.
It extends Web testing support to Google Chrome and its different versions.
C.
It supports testing custom controls on different versions of Internet Explorer only.
D.
It supports browser independent web testing by replacing the Web Add-in.
Explanation: