TOEFL Reading: ETS-TOEFL阅读机经 - R203V545LO7V11N7L$

According to paragraph 2, in what way can Mexican muralism be regarded as a characteristically modern art movement? A. It was representational and often narrative in form. B. It was supported by a small but enlightened artistic elite. C. It questioned traditional ideas. D. It emphasized the future rather than dwelling on the past.