Select the most appropriate option to fill in the blank no. 9.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. of.
- In the passage, the phrase "one of the number of" in blank no. 9 is used to refer to a specific type or category within a larger group.
- "Of": This preposition is used to indicate a specific part or subset within a larger set. In the context, "one of the number of" means "one among several types or instances of," which correctly fits the context of discussing different viral infections causing a cold.
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So, the phrase "one of the number of viral infections" correctly implies that a cold is caused by one type among various viral infections affecting the lining of the nose and other passages.
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This usage of "of" helps to delineate the specific category within the broader set of viral infections.