A.It showed that some exoplanets have an atmosphere like Earth's.
B.It helped researchers better understand exoplanets' orbits.
C.It showed that the technology exists to detect small exoplanets.
D.It proved that some stars' habitable zones are larger than once thought.
A.The man can't concentrate in the library.
B.The man wants to live near to the library.
C.The man dislikes talking and playing cards.
D.The man wants to find a quiet residence.
A.The apartment is cheaper than the dorm.
B.Smoking is forbidden in the dorm.
C.The dorm is too noisy for him to write his essays.
D.He can't get along with his roommates.