Which sentence below has correct capitalization?
A.
I sent a thank-you note to Aunt Elaine, but not to my other aunts.
B.
I sent a thank-you note to Aunt Elaine, but not to my other Aunts.
C.
I sent a thank-you note to aunt Elaine, but not to my other aunts.
D.
I sent a thank-you note to aunt Elaine, but not to my other Aunts.