I don't know how to answer this question

A married couple plans to have four children, and they are wondering how many boys they should expect to have. Assume none of the children will be twins or other multiple births. Also assume the probability that a child will be a boy is 0.50. Explain why this is a binomial experiment. Check all four required conditions. Do the possible trial outcomes meet the binomial conditions? 0 A- Yes, there are 24 possible outcomes per trial. 0 B. Yes, there are two complementary outcomes, either a boy or a girl 0 C. Yes, there are two complementary outcomes, either all boys or at least one boy