When Using Control Room, Which of the Following Statements Are

When using Control Room, which of the following statements are correct? (Choose three.)

A) A process can be run on multiple resources at the same time
B) A resource can run multiple processes at the same time
C) Only one instance of each process can run at any one time
D) A resource PC can only run one process at time
E) A process must be published before it can be run in Control Room