Concept:Determine the relative positions of the five boys using the given clues.
Explanation:From "D is on the right of E" we have E ... D.
From "B is on the left of E but on the right of A" we have A, B, E in that order.
From "D is on the left of C, who is at the extreme right" we have C at the rightmost end, and D left of C.
Combining: A, B, E, D, C is the only sequence satisfying all conditions.
Thus the middle (3rd) position is occupied by E.
Answer:E is in the middle. Option D.