By hook or by crook

Answer: Option C

Explanation:

Example : We must grid up the lions to be successful in life.

Answer: Option D

Explanation:

Example : If you want to be successful in any business you must be a mealy mounted.

Answer: Option C

Explanation:

Example : The rivals always flog a dead horse to insult their enemies.

Answer: Option B

Explanation:

Example : One of my lawyer friend took up the cudgels to defend me.

Answer: Option A

Explanation:

Example : Due to his bad habits his parents will go to the dogs.