Asked by kim

Read sentence 14.

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

All Answers 1

Answered by GPT-5 mini AI
B

"Pumping up the volume or clarifying sound helps…" uses two parallel gerunds (pumping, clarifying) and is the most idiomatic phrasing.