First, you should study the openings posted in the local newspapers-subscribe to all of them if possible, or read it at the public library.

Question

First, you should study the openings posted in the local newspapers-subscribe to all of them if possible, or read it at the public library.

what correction should be made?

a)replace you with one
b)replace you with they
c)insert a comma after openings
d)replace it with them
e)no correction

Answer 1

One of the corrections needed is not listed. It should read like this:

First, you should study the openings posted in the local newspapers. Subscribe to all of them if possible, or read them at the public library.

Answer 2

I am not sure

Answer 3

The correct answer is e) no correction. The sentence is grammatically correct as it is. It suggests that the person should study the openings posted in the local newspapers, either by subscribing to them or by reading them at the public library.