Select the most appropriate option that can substitute the highlighted words in the given sentence.
Rare species of frogs were very quicker identified by Stella.

Correct option is B

The correct substitution of the highlighted words is (b) of frogs were very quickly.
· Explanation: The phrase "very quicker" is grammatically incorrect.
· The correct form is "very quickly," as "quickly" is the proper adverb to describe the action.
· Grammatical rule used: Adverbs, not adjectives, are used to modify verbs in such contexts. "Identified" is a verb and must be modified by an adverb.
· Example: "The students quickly solved the problem."
Why other options are incorrect:
· (a): Incorrect preposition "to frogs" does not fit the context.
· (c): Incorrect phrase "very quicker" is not standard English grammar.
· (d): The word "quicklier" is not a valid English word.