Select the most appropriate idiom to fill in the blank.
Mala ____________ by cheating on the exam to win her bet with Priya.

Correct option is A

Idiom Meaning:
Hit below the belt = to act unfairly or take a low, unethical action, especially in a competitive situation.
Explanation:
• Cheating is a dishonest act, which fits the idiom "hit below the belt" perfectly.
Option Meanings :
hit below the belt – act unfairly or unethically; अनुचित तरीके से व्यवहार करना
get the sack – to be fired from a job; नौकरी से निकालना
look down upon – to consider inferior; तिरस्कार करना
fell out – to have a disagreement; झगड़ना