Think about what you’ve learned about the role of railroads in helping make resources available. Check all of the statements that are true.

the answer is b just took the test

is this question from a book? ?

the answer is d because for c the actors can't love acting for the other's audience their not even in the same show, it can't be b either because the question is talking about the actors not the audience, and it can't be a because   it's not specific enough