Direction: Read the given information and answer below questions.
There are seven persons A, B, C, D, E, F and G sitting in a row facing north direction but not necessarily in the same order. Each one has a different age (in years), i.e., 4, 15, 17, 19, 21, 23 and 40 but not necessarily in the same order.
The person whose age is 19 years is sitting between C and F. F is sitting 3rd to the right of E whose age is 6 years more than that of B. A sits just immediately left of B whose age is a multiple of 5 but not more than 20. Age of F is the sum of the ages of E and G. There is only one person who sits to the immediate right of F. C whose age is a two digit prime number sits 3rd to the right of the person whose age is 4 years. Age of D is two years less than the age of G.
Which of the following is correct?

Options

A. A sits third to the right of C
B. Age of F is 19 years
C. Sum of the age of A and B is same as that of G
D. Only one person sits between F and D.