The Mountains on the Moon

Multiple Choice

The mountains on the Moon

A) have been formed in the same way as the mountains on the Earth
B) were formed through the eruption of volcanoes early in the Moon's history
C) were formed by the collision of continental plates early in the Moon's history
D) are the result of giant impacts during the Moon's long history of being hit
E) are a complete mystery, which astronomers have not been able to explain