The idiom/phrase that means ‘a person or thing that is very precious or much loved’:
AApple of discord
BApple of one’s eye
CAn axe to grind
DIvory tower
Answer:
B. Apple of one’s eye
Read Explanation:
The apple of one's eye describes a thing or person which someone loves above all others, someone's favorite person or thing, a person or thing that he is proud of