A version number is listed as 7.5 in the Flow History window. What does this indicate?

A.
The flow was created in version 7.5 of Operations Orchestration.

B.
The flow has been saved 7 times and restored 5 times.

C.
The flow has been checked into Central 7 times by 5 different flow authors.

D.
The flow was checked into Central 7 times and saved 5 times in Studio since the last check in.