A. Scared by the thunder, I hid under the covers in the bed.
The comma, after "thunder" tells the reader that two events happen: the author was scared by the thunder, and for this reason he hid under the covers in the bed.
Answer: C
Explanation: C is the best choice because it prefaces a story that deals with Chu’s use of the piano to feel more seen by her parents and community.
Answer: do you still need help? I’m not totally confident but I know the answer!
Explanation: