Which of the Following Statements A) B) or C) Is

Which of the following statements a) b) or c) is false?

A) Twitter has become a favorite big data source for researchers and business people worldwide. Through special arrangements with Twitter, some third-party businesses (and Twitter itself) offer paid access to much larger portions the all-time tweets database.
B) You can't always trust everything you read on the Internet, and tweets are no exception. For example, people might use false information to try to manipulate financial markets or influence political elections. That's one of the challenges of building business-critical and mission-critical systems based on social media content.
C) We can program with the same reliability as desktop apps when using web services.
D) Each of the above statements is true.