Correct Answer:
Option D - In the blank space, superlative degree 'largest' will be used. Definite article 'the' is used before superlative degree or after 'The' "superlative degree is used in such kind of sentences."
Correct Sentence:– The priority for the COVID-19 vaccine must be to cover the largest number in the shortest time.
D. In the blank space, superlative degree 'largest' will be used. Definite article 'the' is used before superlative degree or after 'The' "superlative degree is used in such kind of sentences."
Correct Sentence:– The priority for the COVID-19 vaccine must be to cover the largest number in the shortest time.