TOEFL Reading: ETS-TOEFL阅读机经 - 7SI5HJ0X3KJ335H5L$

According to paragraph 6, the "International Style" became widespread partly because A. it was a style that combined many traditional national styles B. it was a style that emerged independently in city after city C. building in that style tended to produce uniform results D. building in that style tended to cost less