At the bottom of a 12-meter deep well there is a snail that rises 3 meters during the day and descends one during the night. How long will it take for the snail to come out of the well?

A) 8 days and 7 night
B) 5 days and 6 night
C) 6 days and 5 night
D) 5 days and 5 night
E) never