Which Statement About the Solar Month and the Sidereal Month

Which statement about the solar month and the sidereal month is correct?

A) The solar month is the same length as the sidereal month
B) The solar month is more than two days longer than the sidereal month
C) The solar month is more than two days shorter than the sidereal month
D) Because of the synchronous rotation of the Moon, both the solar month and the sidereal month change in length during the course of a year
E) The solar month is used in our calendars during the summer season, while the sidereal month is used only during the winter season
Section 4.6: Ocean Tides and the Moon