Select the most appropriate option to fill in blank No. 8
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. drastically.
1. drastically-in a way that is likely to have a strong or far-reaching effect.
2. variously-in several or different ways.
3. numerously-very many; being or existing in great quantity
4. clearly-in a clear manner; with clarity.
As the paragraph is talking about the sharp decrease in the number, the chosen option will be correct because it shows the same meaning.
So, the chosen option will be correct.