PT 40 S4 Q13

According to the theory of gravitation, every particle of matter in the ... ...

Which one of the following most accurately expresses the main idea of the passage?
(A) Although cosmologists believe that the universe is shaped by gravitation, the total amount of observable matter in the universe is greatly insufficient to account for the gravitation that would be required to cause the universe to be organized into galaxies.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: Science & Technology Mix 2