Which sentence could best be added to the beginning of the introductory paragraph?
O
A.
It was Keira's eleventh birthday, and although this was supposed to have been a happy occasion, it sadly was not.
O
B.
Keira just finished attending her own birthday party and was immensely excited to open up the presents
O
C.
Keira was so glad that her parents remembered to invite some of her best friends for her birthday party.
O
D.
Keira had looked like a doll at her eleventh birthday party, and was happy to receive all the attention