completed half of one rotation. been in the shadow of the Moon. been circled by the Moon one time. moved to the opposite side of the Sun.
I gave my students this multiple choice question: On a day in early spring, the number of hours of daylight and of night are about the same. From sunrise to sunset on a spring day, Earth has

Only one answer is correct among these 4 choices:
- completed half of one rotation.
- been in the shadow of the Moon.
- been circled by the Moon one time.
- moved to the opposite side of the Sun.

Could you tell me which one is correct?

completed half of one rotation.