Carrot and stick policy

Answer: Option B

Explanation:

Example : I advised him to hold his tongue before teacher.

Answer: Option B

Explanation:

Example : I am very weak in physics, can't give all answers off hand.

Answer: Option A

Explanation:

trifles means A thing of little value or importance.

Example : Their sweet relation ended because they wrangled over an ass shadow.

Answer: Option D

Explanation:

Example : You should not always have a hard nosed attitude.

Answer: Option D

Explanation:

Example : I use to visit him ever and anon.