Question

To pump the volume up or clarifying sound helps people to hear each other over street noise or in echoing spaces.

Which choice shows the correct way to revise the underlined portion of the sentence?

A.
no change

B.
Pumping up the volume

C.
Pumping the volume up

D.
To pump up the volume

Answer 1

The best choice to revise the underlined portion of the sentence is:

C. Pumping the volume up

This option maintains the original meaning while improving the flow of the sentence.