Which sentence is an example of a compound sentence?

A compound sentence consists of two independent clauses joined by a coordinating conjunction (for, and, nor, but, or, yet, so). In the example provided, the sentence "I enjoyed the movie, and I want to see it again" contains two independent clauses: "I enjoyed the movie" and "I want to see it again." These two clauses can stand alone as complete sentences, and they are connected by the conjunction "and," which indicates the relationship between the two thoughts.

The other options do not fit the definition of a compound sentence. For instance, the second option introduces a dependent clause with "Although," which establishes a contrast and does not create two independent clauses. The third example uses "but" to connect two contrasting ideas within the same clause, while the fourth simply states a scenario without combining two independent thoughts. Thus, the structure of the first sentence aligns perfectly with the characteristics of a compound sentence.