The answer is A. Fossils have been found by the local science club. Since the verb, found, is being done to the subject, fossils, it is in the passive voice. The others are in the active voice since the action is being done by the subject.
First Person: Narration from the perspective of a character in the story. Uses pronouns like "I" and "We".
Third Person Limited: Narration from outside the story. The narrator reveals the thoughts of only one character within the story. Pronouns like "He" and "She" are used.
C. Present is your answer
I think it's A) the works cited page.
Process is my best guess, hope I helped!