单项选择题
A.两侧胸廓膨隆B.呼吸活动度减弱C.触觉语颤增强D.叩诊呈过清音E.听诊呼吸音增强
A.The fate of the ultrawealthy people.B.The disintegration of the middle class.C.The inequality in the distribution of wealth.D.The conflict between the left and the right wing.