Correct option is C
Word Meaning:
Squirm - to show discomfort or embarrassment through physical movement.
Antonym:
Relax - to be calm, at ease, or comfortable.
Explanation:
• “Relax” is the opposite of “squirm” as it denotes calmness instead of unease.
Correct: The encounter made them relax (opposite of squirm).
Synonyms of “Squirm”: fidget, wriggle, twitch.
Antonyms of “Squirm”: relax, stay still, rest.
Option Meanings:
Speak – to talk.
Pray – to worship.
Relax – correct.
Chat – informal talk.