单项选择题

A) To launch a campaign on all the specialist medical journals.
B) To offer to return the purchase price if the customers are not satisfied.
C) To advertise on the papers with doctors’recommendation.
D) To advertise through television commercials.

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单项选择题

单项选择题

A) To launch a campaign on all the specialist medical journals. B) To offer to return the purchase price if the customers are not satisfied. C) To advertise on the papers with doctors’recommendation. D) To advertise through television commercials. 您的浏览器不支持 audio 元素。