circular with a period of about one month circular with a period of about one week elliptical with a period of about one month elliptical with a period of about one week
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which best describes the orbit of the Moon around Earth?
Possibilities:
- circular with a period of about one month
- circular with a period of about one week
- elliptical with a period of about one month
- elliptical with a period of about one week

elliptical with a period of about one month