The population of a bacteria colony doubles every day. If it was started 9 days ago with 2 bacteria and each bacteria lives for 12 days, how large is the colony today?	Select.
A) 512 B) 768 C) 1024 D) 2048 E) 4096

Rationale: "it started 9 days ago . so bacterias keep growing for 9 days + today = 10 days 2 ^ 10 = 1024 c is the answer"
Answer: C