How does the speaker change from the beginning of the passage to the end of the passage?

a) in the beginning of the passage, he is unsure which career he wants, and at the end, he has a better idea.

b) in the beginning of the passage, he is frightened by animals, and at the end, he develops a connection with them.

c) in the beginning of the passage, he is very shy, quiet, and reserved, and at the end, he begins to emerge from his shell.

d) in the beginning of the passage, he is annoyed that he has to do an internship, and at the end, he really enjoys his internship.