The cessation of smoking or “incidence of smoking decrease” has occurred in majority of population. This was done by the effectiveness of advertising campaigns.
The other words are such as prestige or influence has not critical definitions of incidence in the above case.
Thus, the options (a), (d) and (b) are incorrect.
The cessation of smoking or “incidence of smoking decrease” has occurred in majority of population. This was done by the effectiveness of advertising campaigns.
Therefore, the correct option is – C. Occurrence