Select the most appropriate option for blank(3)
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. highly.
- The word "highly" is the correct choice because it effectively describes the degree of contagiousness of the measles virus.
- The phrase "a highly contagious viral disease" accurately conveys that measles is very contagious, which aligns with the context of the sentence about its spread through respiratory droplets.