Answer:
The correct answer is option 4.
Step-by-step explanation:
An Adjective phrase is a prepositional phrase that modifies the noun they come after in a sentence. It can function as a noun, adverb, and adjective in a sentence.
Examples of adjective prepositional phrase are; kindly wash the dresses "in the bowl", Micheal is a student with "the highest grade", etc.
Therefore, in "the Pyramid of Khufu is one of the wonders of the Ancient World" represents an adjective prepositional phrase.