An inference is something that is: O A. easily proven.
O B. not directly stated.
O C. hard to describe exactly.
O D. based only on facts.

The answer is C

Explanation:

Although answer A is somewhat correct, it doesn't say anything about unhealthy foods and smoking being as serious as each other.

The author believes that fast-food chains can be convinced to stop advertising unhealthy foods aimed at young children. If the children stop watching unhealthy foods on TV then they'll probably stop eating unhealthy food.