The ratio of the speed of Aman, Kamal and Manan is 2 : 3 : 4 respectively. What is the ratio of the time taken by Aman, Kamal and Manan respectively to cover the same distance?

A

4 : 3 : 2

B

2 : 3 : 4

C

6 : 4 : 3

D

8 : 9 : 16