Which option BEST conveys the article's central ideas? A. The discovery of a new planet that could sustain human life is significant. Further study is needed to confirm initial findings. B. Scientists disagree on whether Proxima b is a star or a planet. Further study will determine whether Proxima b could sustain human life. C. Scientists have recently discovered a potential life-sustaining planet. The discovery will help develop telescope technology. D. Astronomers have announced that they may have found a livable planet beyond the solar system. Further study will examine if it could be a habitable planet.