30. What change in the following sentence should be made?
(5) Surprisingly, over the last 25 years, teen smoking and smoking initiation rates are negatively associated with cigarette advertising and promotion spending -- i.e., the more companies spend, the less teens smoke, and vice-versa.
(A) no change
(B) change "Surprisingly" to "Surprising"
(C) change "over the last 25 years" to "until the last 25 years"
(D) change "the more companies spend" to "many companies spend"

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