Let B={-20, 19, 0, 19, 20}, and D = {-19}. Insert C or to make the following statement true. D B Choose the correct answer below. OA. Not every element of D is also an element of B, so D B. OB. Every element of D is also an element of B, so D C B. OC. Not every element of B is also an element of D, so D B. D. Every element of B is also an element of D, so D C B. 13