The answer is B, I just took the test
The Thinking Machine was the creation of American novelist Jacques Futrelle, one of numerous 'detective' characters inspired during the early Twentieth Century by the popularity of Arthur Conan Doyle's master detective, Sherlock Holmes. The Thinking Machine was the nickname of Professor Augustus S.F.X. Van Dusen, a scientist turned armchair detective, who possesses a peculiar and unemotional personality - and a massive intellect - that he applies in a most logical manner to solving crimes, always assisted by an investigative reporter.
Haven’t done this in a while but I think it’s complex
complex contains an independent clause which includes subject and a verb in that sentence and cannot stand on its own.
Independent clause can stand on its own and makes a complete thought
The correct answer among the choices is option A. The statement "Masks played an important role in Haida history." best summarizes the passage. The sentence in option A was rephrased from the thesis statement of the paragraph. The other choices gave specific practices of Haida people.