Select the most appropriate option to fill in blank number 2.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. showing.
The phrase "by showing" maintains a parallel structure with the rest of the sentence. The verb "by" is followed by a gerund (showing) to describe how the companies are fooling people.
"Showing" indicates the method the companies use to fool people. It clarifies that the companies present junk food as healthy through deceptive advertisements.