[单项选择] What could possibly account for the amazing success of Coca-Cola How has this combination of carbonated water(苏打水), sugar, acid and flavorings come to symbolize the American way of life for most of the world After all, even the manufacturers could hardly describe Coke as a healthy product since it contains relatively high amounts of sugar (admittedly not the case with Diet Coke which contains artificial sweeteners instead of sugar) and phosphoric acid (磷酸), both of which are known to damage teeth. One explanation may be found in the name. The original recipe(配方) included a flavoring from the coca plant and probably included small amounts of cocaine (an addictive (使人上瘾的) substance), but since the early part of this century all traces of cocaine have been removed. However, Coke (like all cola drinks) also includes a flavoring from the cola tree; cola extract(提炼物)contains caffeine, which is a stimulant, and the Coca-Cola company adds extra caffeine in addition. While caffeine i
A. it contains caffeine
B. it used to include cocaine
C. people love its name
D. it is addictive