不定项选择题 Failing demand for pop - up shops has caused a sharp rise, the number of
A High retail vacancy rates result from low turnover rate of pop - up shops. B
Shortly before Christmas 2015, people started to favor pop - up shops. C
2016 was the first year that the surge in the popularity of pop - up shops. D
Closing down some of the pop - up shops resulted in a decline in vacancy rates in 2016.
