To be a Cheerleader

(1) Tia wanted to be a part of her school's cheerleading squad. (2) Last year, her sister Terry had been selected for the squad, and she was enjoying it. (3) Terry advised Tia that she would have to train hard for the try-outs by practicing her cheerleading moves every day so that she remembered each step without fail. (4) Terry also told Tia that she would have to practice her cheers loudly and clearly. (5) After receiving such encouraging advice from her sister, Tia became even more determined to join the school's cheerleading squad. (6) She knew that the spring selections for the squad would happen in a month's time, so she practiced hard every day, giving her best.
(7) Finally, the selection day dawned. (8) After Tia finished her routine, the selection team found Tia's audition to be well beyond their expectations.

Which sentence would be the best concluding sentence for the second paragraph?
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Tia had wondered why she and her sister were both interested in becoming cheerleaders.
Tia remembered that she had forgotten to perform a step correctly and was worried about the results.
Tia remembered the advice that her sister had given her and started to cheer loudly and clearly.
Tia was excited when she found out she was selected and wanted to thank Terry for her advice.

Tia was excited when she found out she was selected and wanted to thank Terry for her advice.