Select the most appropriate meaning of the highlighted idiom in the given sentence.
Keep an eye on your sister as she might run away.

Correct option is D

Option (d) is the correct meaning of the given idiom.
Idiom: "Keep an eye on" means to watch or monitor someone carefully to ensure their safety or to prevent any wrongdoing.
Example: Please keep an eye on the baby while I cook dinner.
Other related idioms and their meanings:
· "Eye to eye" – To agree
· "Turn a blind eye" – To ignore intentionally
· "Catch someone’s eye" – To attract attention