Rohan, Rajiv, Ritu, Rishav, and Ritika are sitting in a circle facing away from the centre. Rohan and Rajiv are not sitting together. Rishav and Ritika are sitting immediately next to each other, and Rajiv is sitting to the immediate left of Rishav. Who is sitting to the immediate left of Ritu?

A

Rohan

B

Rishav

C

Rajiv

D

Ritika