原题
录音 1
According to the speaker, what could the presence of an ocean on Pluto mean?
APluto orbits closer to the Sun than expected.
BA huge amount of salt exists throughout Pluto.
CObjects in the Kuiper Belt could support life.
DPluto's ice might be melting.
正确答案：C
解题思路
老师暂未填写解题思路。