Which of the Following Is True of the Binomial Distribution

Which of the following is true of the binomial distribution?

A) The expected value of the binomial distribution is np1 - p) , where n is the number of experiments and p is the probability of success.
B) The binomial distribution can assume different shapes and amounts of skewness, depending on the parameters.
C) In Excel's binomial distribution function, setting cumulative to TRUE will provide the probability mass function for a specified value.
D) The expected value of the binomial distribution is λ, a constant.