by the rise of house price, people in big cities live under great pressure.
A. To be affected
B. Affected
C. Having affected
D. Affecting
网友回答
A. To be affected
(答案→)B. Affected
C. Having affected
D. Affecting
解析：句意：受高房价的影响，大城市的人们生活在巨大的压力下。“影响”和其逻辑主语“人们”之间是被动关系，故用过去分词作原因状语，选B。