Question

She comes here once in a blue moon. The sentence means:

• A. She comes here on full moon days.
• B. She likes the moon.
• C. She comes here only rarely.
• D. She comes here every day.

Answer 1

Answer:

C. She comes here only rarely.

The phrase "once in a blue moon" falls under the category of:

Idioms

Idioms are fixed expressions whose meaning is not predictable from the meanings of its individual words.