Why does lake say his son will respond "13" when asking how many months are in a year?

A. Because the American Indian calendar counts 13 full moons in a year

B. Because he is slow learner and is unable to count past the number 10

C. Because in the American Indian Culture, there is no word for the number 12

D. Because he has never learned to count and hasn't been taught the name of the months

A. Because the American Indian calendar counts 13 full moons in a year.

Explanation:

Native American Calendars were nor determined by specific numbers, but with specific seasons, that's why the used the moon to measure periods of time, like months. Not every American Tribe had the same calendar, there were several variations, but northern tribes, New England's and Cree Tribes tend to count 13 moon, meaning 13 months.