What they said!!!!!!!!!!!!!!!!!!!!!!
The phrase that best describes what type of sentence this is, is option C. Prepositional phrase modifying another prepositional phrase. The prepositional phrase "on the beach" is modified by another prepositional phrase which is "by the sea". These are prepositional phrases because of the prepositions "on" and "by", used in these phrases.
The type of sentence that is made up of two simple sentences joined with a comma and a coordinate conjunction is called D. compound sentence.
