What does The green eyed monster mean?

What does The green eyed monster mean?
Past Papers: PPSC Assistant (BS-16) — Past Paper MCQs
A: An animal with green eyes
B: Hatred
C: To get into trouble
D: None of these

The green eyed monster refers to jealousy not listed in options. This question tests knowledge of idioms in English. Understanding such phrases is crucial for language exams.