When Do Spring Tides Occur

When do spring tides occur?

A) only when the Moon and the Sun line up on the same side of Earth
B) only when the Moon, Earth, and the Sun form a straight line, with the Moon on the opposite side of Earth from the Sun
C) whenever the Earth-Moon line makes a 90° angle to the Earth-Sun line
D) whenever Earth, the Moon, and the Sun form a straight line, regardless of which side of Earth the Moon is on