Identify the pattern for the following sequence. Find the next three terms in the sequ -15, -11, -7, -3, a. Subtract 4; -7, -11, -15 b. Add 4; 2, 6, 10 c. Subtract 4; 1, 5, 9 d. Add 4; 1, 5, 9 Please select the best answer from the choices provided OA OB