Which detail from the passage helps express the theme that believing in one s self

Which detail from the passage helps express the theme that believing in one's self can lead to a positive outcome? A.
Esperanza's family honors their deceased loved ones once a year.
B.
Esperanza's team is excited about Esperanza's presentation idea.
C.
Esperanza's teacher gives Esperanza information about a free clinic.
D.
Esperanza's grandma takes her to see the Danza de los Voladores.