Final answer:
John Williams composed the scores for E.T. the Extraterrestrial, Star Wars, and Indiana Jones, making 'All the answers are correct' the right choice.
Step-by-step explanation:
John Williams is a renowned composer known for creating the scores for many iconic films. He composed the score for not just one, but all of the following films: A. E.T. the Extraterrestrial, B. Star Wars, and D. Indiana Jones. Therefore, the correct answer to the question "John Williams composed the score for which of the following films?" is C. All the answers are correct. Williams' music has significantly contributed to the success and timeless appeal of these beloved films, making him one of the most celebrated film composers in history.