when hell freezes over

This is our fourth idiom containing a “winter” word. Do you know “when hell freezes over”? Look at the conversation below. Can you guess the meaning?

Oliver: When do you think you’ll get a promotion at work?

Alice: When hell freezes over! The boss hates me, and is always telling me that I can’t do my job properly.

Does it mean:

a) never

b) in a few years

c) when it gets colder

The answer is below! ↓

Answer: a) never