6239. The Government must do something about the runaway increase in prices.

✅ The correct answer is option B.
Unpardonable : (of a fault or offence) too severe to be pardoned; unforgivable.

Uncontrollable : not controllable.

Unreasonable : not guided by or based on good sense.

Inflationary : characterized by or tending to cause monetary inflation.

Runaway : denoting something happening or done very quickly, easily, or uncontrollably.

Synonym of Runaway is Uncontrollable