In the game "Telephone," one person receives a message and then passes it on to one or more other people. The number of people who have received the message after each stage of the game can be represented by a sequence. Which version of the game represents a constant rate of change?
Version 1: 1, 3, 9, 27, 81
Version 2: 1, 3, 5, 7, 9
Version 3: 1, 2, 3, 5, 7
A. Version 1
B. Version 2
C. Version 3
D. None of the above
