The 1920s in the United States has been described by many historians as a period of material（ ）and spiritual（ ）.
A、prosperity/fulfillment
B、collapse/fulfillment
C、collapse / frustration
D、success / frustration
【正确答案】：D
【题目解析】：The 1920s in the United States has been described by many historians as a period of material success and spiritual frustration or confusion and purposelessness.