Which Statement About the Growth of E-Business in the 1990s

Which statement about the growth of e-business in the 1990s is not true?

A) the U.S. Congress did not impose a sales tax on purchases via the Internet
B) credit card processing for online purchases was available even before the web browser
C) DSL and cable modems to U.S. homes increased the download speeds for web sites
D) search engines enabled users to find web sites without keying in their URLs