Correct option is D
A certain number of people are sitting in a row, facing north.
D sits fourth to the right of A.
A, _, _, _, D
B sits third to the right of D.
A, _, _, _, D, _, _, B
C sits fifth to the left of A.
C, _, _, _, _, A, _, _, _, D, _, _, B
There are only two persons between B and E.
C, _, _, _, _, A, _, _, _, D, _, _, B ,_, _, E
If no other person is sitting in the row,
the total number of persons seated = 16