The correct answer is option A. "Life is meaningless and completely random". The character Grendel is the protagonist and narrator of the homonym novel by John Gardner, which is a blood-thirsty monster an antihero. During the novel Grendel questions the consciousness and existence, therefore it would be likely that he would agree with the statement that "Life is meaningless and completely random".
While a subtitle can inform the reader of the topic of the text or give more information about the title, its main purpose is to be an extension of the title.
