The article is the space race is over by paul kingsnorth

part a: which of the following best express the central idea of the article?

a
space colonization is just as unrealistic and overly optimistic now as it was in the 1950s, but fewer people are as interested.
b
expansion justifies space colonization because it is a key solution to the earth’s overpopulation and damaged environment.
c
people should avoid romanticizing the future and space colonization because it distracts from focusing on current problems on earth.
d
space exploration and settlement is making a cultural comeback due to a new golden age of technological advancements.

Answer:

(C) People should avoid romanticizing the future and space colonization because it distracts from focusing on current problems on Earth.

This part best express the central idea of the article.

Explanation:

According to “Paul Kingsnorth”, a former green activist, the future of humanity is black. He thinks global warming, melting ice caps, vanishing plants, species and a growing population is adversely affecting the environment. But nothing is being done to overcome these issues.  

He thinks that space colonization is not as practical as it was in 1950s. Back in 1950s, more resources were available, there were possibilities of new technologies which would help humans to reach other worlds. But today the change in environment and increase in population is making things difficult. We are now often distracted from facing the reality and trusting on to the things which are highly impossible.

the correct answer is   d. a picture depicting people applauding a country's leader.

to persuade readers which is answer c