The present ages of A, B, and C are in the ratio of 8:14:22 respectively. The present ages of B, C and D are in the ratio of 21:33:44 respectively. Which of the following represents the ratio of the present ages of A, B, C and D respectively? `12 : 21 : 36 : 44` b. `12 : 21 : 33 : 44` c. `12 : 22 : 31 : 44` d.`\ ` cannot be determined e. none of these