Explanation : As described in the above lines Heigl is trying to face her fears in public by speaking the feelings what she is experiencing within herself. She is building her confidence by openly expressing and facing the fears within her.
This technique is used when you express a sincere and honest compliment to other people when you are delivering a speech. You do this to make the other person feel good. That is what the artist Katherine Heigi did when she spoke at the American Film Institute tribute to the renown artist Shirley Mclain saying: "And as I've been sitting here and getting more and more nervous I've also been getting really excited to tell you how significant and important and inspirational you have been to me for a very long time."
The other options of the question were A) reshuffling. B) recalibrating D) reinventing.