Which of the Following Statements Is True of BPR

Which of the following statements is true of BPR?

A) BPR means that the business processes being carried out by the organization must be substantially changed.
B) The BPR element of an ERP implementation is one of the least challenging aspects of the project.
C) BPR is the only characteristic of ERP systems.
D) Every organization goes through BPR at some point in time.
E) all of the above