While introducing a Man to her husband, a woman said his brother's father is the only son of my grandfather. How is the woman related to this man ?

While introducing a Man to her husband, a woman said his brother's fat

1.	While introducing a Man to her husband, a woman said his brother's father is the only son of my grandfather. How is the woman related to this man ?
A.	Aunt
B.	Sister
C.	Mother
D.	Daughter
Answer» C. Mother