The What Went Wrong? Feature in Chapter 15 Focuses on StumbleUpon

The What Went Wrong? feature in Chapter 15 focuses on StumbleUpon, an Internet startup which sold itself to eBay for $75 million. Surprisingly, just two years after eBay bought StumbleUpon:

A) it licensed the technology underlying StumbleUpon's unique method of finding Web sites to Yahoo
B) it changed StumbleUpon's name to "eBay Surprise"
C) it sold it to Google for $95 million
D) it closed StumbleUpon and retired its name
E) its founder and a group of investors bought it back