Select the most appropriate option to fill in the blank no. 2.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. the.
- The phrase is referring to the commonness of the ailment (the common cold).
- We need a determiner that can specify "commonest" in a general way.
- "The" definite article is used to refer to a specific group that is known to both the speaker and the listener. In this case, it specifies "one of the commonest ailments," which makes sense because we're talking about a specific category (the common cold) within a broader context.