Early in the morning, the animals begin the search for food.
Answer:
A. adverb phrase
Explanation:
An adverb phrase is a kind of prepositional phrase that functions as an adverb. Therefore, it answers the questions Where? When? How? or Why? and can modify a verb, an adverb, or an adjective.
In this sentence, the underlined phrase is in the morning. It is an adverb phrase because it modifies the adverb 'early'. It is answering the question "When?"
