Assertion (A) After leaving Delhi, Mohammad-bin-Tughlaq stayed in a camp called Swarg-Dwari for two years. Reason (R) At that time Delhi was devastated by a kind of plague and many people died.

• A. Both A and R are correct and R is the correct explanation of A
• B. Both A and R are correct but R and R is not the correct explanation of A.
• C. A is right but R is wrong
• D. A is wrong but R is right