Question 21: According to paragraph 1, the abrupt cessation of commercial vibrancy within the city's culinary hubs is ascribed to ________....

Question 21: According to paragraph 1, the abrupt cessation of commercial vibrancy within the city's culinary hubs is ascribed to ________.
A. the rapid disappearance of regular clientele during prime operating times
B. the operational idleness observed among waitstaff and kitchen personnel
C. a severe economic downturn affecting the disposable income of patrons
D. the stringent application of rules governing the operation of vehicles