Coke's popularity grows steadily because of______?
A.its high quality of the product
B.its advertising
C.its effective advertising and marketing strategy
D.Both A and C

A.its
B.its
C.its
D.Both

【参考答案】

D
解析：可口可乐之所以名声日隆，就是来自于高质量的产品和行之有效的广告和市场策略。参看文章第三段。