Question 14: People are advised to_______ smoking because of its harm to their health.

– cut down (v); to cut down, to cut down (trees, …)

Eg: They cut down many trees last week.

– cut off (v): cut off

Eg: He cut himself off from all human contact.

– cut in (v): interject, interject

Eg: She kept cutting in on our conversation.

– cut down on (v); to reduce the size, amount or number of something

Eg: The doctor told him to cut down on his drinking.

=> Answer D (People are advised to reduce smoking because of its harmful effects on health.)