five persons -arnab, ankur ,adi , anush and asraf are sitting in a row facing same direction.There are atleast two persons sitting between Arnab and asraf . There is at most one person between Ankur and Anush . If anush is sitting to immediate right to Arnab , which of the following can be true ?
A) Arnab is sitting at the extreme right
B)Asraf and Anush are adjacent to each other
C)Asraf is sitting between anush and Arnab
D)Asraf and ankur are adjacent to each other