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

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

A) Numerous cloud vendors provide Hadoop as a service.
B) In addition, companies like xe "Cloudera CDH"Cloudera and xe "Hortonworks"Hortonworks (recently merged) offer integrated Hadoop-ecosystem components and tools via the major cloud vendors.
C) Cloudera and xe "Hortonworks"Hortonworks also offer free downloadable environments that you can run on the desktop for learning, development and testing before you commit to cloud-based hosting, which can incur significant costs.
D) All of the above statements are true.