Which statement is an example of a compound sentence?

The answer to this is C. I'm tryin to learn Spanish, and my friend's trying to learn French.
The answer would be C. A compound sentence has at least two independent clauses joined by a comma, semicolon or conjunction. An independent clause is a clause that has a subject and verb and forms a complete thought. An example of a compound sentence is, 'This house is too expensive, and that house is too small