Meera is the wife of Sachin. Sachin's sister is Sarda and she is the wife of Arjun. Arun is the son of Sarda. Arjun is the brother of Meera Sonali is the daughter of Arjun. How is Arun related to Sonali?

A

Father

B

Brother

C

Cnnot be determined

D

Paternal uncle