Why are they not seeing thesame odd behavior when browsing the vendor website with Firefox?

Steven is the help desk manager for Fortified Investors, an investment firmbased in Boston. Steven is responsible for fielding all help desk calls from company employees. Steven is getting numerous calls from users stating that whenthey navigate to one of the company vendor’s websites, their Internet Explorer browser starts to behave abnormally by pulling up pop-ups and being redirected toother pages. All the users that have called Steven are using Internet Explorerfor their browsers. Steven checks the source code of the vendor’s page and sees some odd scripts in the source code. The employees still need to access the vendor’s page to perform their work duties so Steven decides to download and install Firefox on these users’ computers. When browsing with Firefox, the users donot see any odd behavior on the website as before. Why are they not seeing thesame odd behavior when browsing the vendor website with Firefox?

A.
They are not having issues because Firefox does not support VBScript and ActiveX.

B.
The users are not experiencing the same issues with Firefox as with Internet Explorer because Firefox does not support JavaScript.

C.
Their new Firefox browsers are not showing the same odd behavior because Firefox does not support DHTML and XML.

D.
The vendor’s website is not displaying the same behavior because Firefox only supports HTML and DHTML.