THE AUTHOR STATES THAT THE HUBBLE WAS NOT ALWAYS POPULAR BECAUSE____...

Câu 31: The author states that the Hubble was not always popular because__________ .

A. it was more expensive than most space shuttles.

B. many people believed space exploration was a waste of time.

C. people were afraid of what might be found.

D. it was defective for its first three years in space.