Read the paragraph. It would be his turn in less than five minutes. Alex felt his fingers begin to tremble like leaves in the wind. Calm down, he told himself, you have been practicing this for months. Alex was about to walk on stage and perform his first drum solo to an audience of students, parents, and music teachers. He wrote the music himself and could not wait to see how the crowd reacted. Alex took several deep breaths, and he forced himself to imagine a successful outcome. When he heard his name announced, Alex stepped out onto the stage.

What is the meaning of the simile in the paragraph?

a Alex does not want to perform.

b Alex is frustrated.

c Alex cannot wait to perform.

D Alex is nervous.