19. 超過百分之二十五的瓶裝水來自城市供水系統，這些水在經過處理、淨化程序，出售後獲利達千倍。
(A) Flowing from metropolitan water provision, exceeding a quadruple of bottled water being treated and filtered multiplies its market price by a thousand times.
(B) Over a quarter of all bottled water originates from the urban water provision system and profited from the one-thousandth of price increase at the market through water purification procedures.
(C) As much as a one-fourth of all bottled water finds its source in the city water supply system; profits reached a thousand times of price gains after the water is cleansed and filtered.
(D) More than 25 percent of bottled water comes from a municipal supply and, after being treated and purified, is sold to the consumer at a thousandfold increase in price.