Correct option is A
The correct collocating word to fill in the blank is (a) bosom.
• Bosom friends: This phrase refers to very close or intimate friends who share a deep bond and trust with each other.
• Bosom friends: गहरे दोस्त (Hindi meaning).
• Example: Swathi and Raghav are bosom friends, and they have been inseparable since childhood.
Meanings of other options:
• (b)
Hearty: Warm-hearted or genuine, often used to describe laughter or a welcome, but not typically used with "friends."
• (c)
Tight: Can describe a close relationship, as in "tight-knit," but "bosom" is a more appropriate collocation with "friends."
• (d)
Deep: Often used to describe feelings or thoughts, but "bosom" is the more standard collocation with "friends."