Please read the following sentence to answer the question.

Sonya, my Mother, owns a bakery, and she makes the best brownies in town.

Is the word mother capitalized correctly in the sentence?
A. No, because it is a parenthetical element.
B. No, because a possessive pronoun comes before the word.
C. Yes, since Sonya is the owner of the bakery.
D. Yes, since Sonya must be capitalized, so should mother.