Use a pattern to answer the question.
One week, you tell four of your friends a secret. The next week, each of them tell four more people. So the first week, four new people know the secret; the second week, 16 new people find out the secret; the third week, 64 new people know the secret, etc.
How many people find out the secret on the 6th week?
A. 64
B. 256
C. 1,024
D. 4,096
