during a full moon only during a full and new moon only during a waning gibbous moon only during a waxing gibbous moon only
I gave my students this multiple choice question: When can lunar and solar eclipses take place?

Only one answer is correct among these 4 choices:
- during a full moon only
- during a full and new moon only
- during a waning gibbous moon only
- during a waxing gibbous moon only

Could you tell me which one is correct?

during a full and new moon only