AAI ATC Junior Executive 26 Dec 2015 Shift 2 Paper

Five people A, B, C, D, and E are seated about a round table. Every chair is spaced equidistant from adjacent chairs. C is seated next to A; A is seated two seats from D; and B is not seated next to A. Which of the following must be true? 
(I) D is seated next to B
(II) E is seated next to A