A:to talk
B:to not talk
C:to talking
D:to not talking
The twins didn't go to the theatre, they ____ the light music all night.
①供求影响价格,大蒜供不应求,价格上涨
②价值决定价格,大蒜生产成本上升,价格上涨
③市场调节具有自发性,市场炒作抬高大蒜价格
④市场调节具有法制性,商家囤积居奇,牟取暴利