Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Q: Problem: a man fell in a 30 meter deep well, in one day he climbs 4 meters up and slips 3 meters down. how many days would it take for him to come out of the well ?
Options: a. 22, b. 46, c. 17, d. 27, e. 33
A:
d