試題詳解

49 What could be the central message of the passage?
(A) Still more attempts need to be made to reach out to other planets in the Milky Way galaxy.
(B) Cornell astronomers might propose new forms of communication in our galaxy.
(C) Extraterrestrials from 8,500 stars might be speaking similar languages to those on Earth.
(D) Evan Solomonides will soon propose a theory to challenge the possibility of life on other planets.