Percival Lowell and pluto. Which is the BEST summary of the passage? A. After Lowell discovered Pluto, the discovery of Eris led to questions about Pluto's status as a planet. B. Lowell's study of mars eventually led to the discovery of pluto, which was later downgraded to a dwarf planet. C. The Lowell Observatory was a leader in astronomical discovery. D. Lowell's dedication to planetary study inspired Americans' interest in space. please i need help ASAP