Ajay and Charul are brother and sister. Manoj and Darshan are the sons of Kripal and Sona. Sona is the mother-in-law of Charul's mother Swapnil. Neha, Niti and Nakul are the daughters of Manoj and the only cousins of Ajay. How many children does Darshan have?

A

4

B

1

C

3

D

2