I am sick _ this idle life.

by

(A) of 
(B) on
(C) with
(D) None of these

🧠 Explanation:

  • The correct preposition after "sick" in this context is "of," forming the phrase "sick of."
  • "Sick of" means being tired, bored, or frustrated with something.
  • Example: "I am sick of this idle life" expresses dissatisfaction with a lazy or unproductive lifestyle.
  • This is a common expression in both formal and informal English to show emotional exhaustion.