If Kamal says,”Ravi’s mother is the only daughter of my mother”, how is Kamal related to Ravi?

If Kamal says,”Ravi’s mother is the only daughter of my mother”,

1.	If Kamal says,”Ravi’s mother is the only daughter of my mother”, how is Kamal related to Ravi?
A.	Grand Father
B.	Father
C.	Brother
D.	None of these
Answer» E.