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

Which of the following statements a) , b) or c) about Google's initial search implementation is false?

A) Google developed a clustering system, tying together vast numbers of inexpensive "commodity computers"-called nodes.
B) Because having more computers and more connections between them meant greater chance of hardware failures, Google also built in high levels of redundancy to ensure that the system would continue functioning even if nodes within clusters failed.
C) The data was distributed across all the inexpensive "commodity computers." To satisfy a search request, all the computers in the cluster searched in parallel the portion of the web they stored locally. Then the results of those searches were gathered up and reported back to the user.
D) All of the above statements are true.