Which group of words in the following sentence is an infinitive?
“to learn was eric’s main purpose for going to all those booths.”
a: to learn
b: was eric’s main purpose
c: for going
d: to all the booths

The big bang theory suggests that the universe is constantly expanding and that stars, galaxies and other entities are moving away from each other. if there were a galaxy moving closer to earth then that would contradict the big bang theory since the entities should be moving away from earth and from each other.

Idon’t understand this and wym