On most weekends the Smiths, who have one son and two daughters, do their assigned chores. The son mows the lawn and helps his dad with automobile maintenance, while the girls help clean the house and prepare the meals. This distribution of chores reflects: (A) The importance of teaching children to be responsible.(B) Children bearing a proportion of the "second shift". (C) The natural division of labor between boys and girls.(D) How gender roles are learned at home.