Question

Which choice contains a broad pronoun reference?

When you have written a paper, go back. Revising it will result in a more effective presentation.
When you have written a paper, go back and revise it, resulting in a more effective presentation.
When you have written a paper, go back and revise it, which will result in a more effective presentation.
When you have written a paper, go back and revise it. This will result in a more effective presentation.
When you have written a paper, go back and revise it. The result will be a more effective presentation.

Answer 1

The sentence below contains a broad pronoun reference:

When you have written a paper, go back and revise it. This will result in a more effective presentation.

This is because the sentence states a cause and effect of the activity being described.