Consider These Statements in a Speech: "My Sister Is a Lesbian,and

Consider these statements in a speech: "My sister is a lesbian,and she's been with her partner for twelve years.I've gotten to see first-hand how gay couples are just the same as straight couples and should be permitted the right to marry and adopt children." These statements serve which of these functions?

A) uses pathos
B) cites the speaker's credibility as a source
C) ties the data to the claim
D) uses the theory of group norm standards