The given table represents the sale (in thousands) of cars by four companies A, B. C and D in six years. Study the table and answer the question that follows.

What is the ratio of the total number of cars sold by companies A, B and D in 2017 to the total number of cars sold by all four companies in 2018?

A

3:4

B

6:13

C

9:14

D

18:23