Owlet Baby Care, the Company Profiled in the Opening Feature

Owlet Baby Care, the company profiled in the opening feature of Chapter 3, produces a "smart sock" that can be used to monitor a baby via an app. The feature describes how Owlet Baby Care's founders accidentally validated their business idea when ________.

A) they went on Kickstarter to raise funds
B) they won a business plan competition
C) they were featured on CNBC's Shark Tank
D) parents began inquiring about the product after a video of a mockup of the product somehow got out
E) a big company made a pitch to acquire them