Answer:
I know you probably already done this but I'm going with C
Main clauses express a complete thought and appear in compound, complex and compound-complex sentences. Therefore, the correct answer is all of the above. A compound sentence is made up of two independent clauses which are joined by a coordinating conjunction. A complex sentence is made up of an independent clause and a dependent clause which are joined by subordinating conjunction. A compound-complex sentence is made up of two or more independent clauses and one or more dependent clauses.
Answer:
in the morning, we hiked the trail to the falls
Go on a walking tour of your city.
Spend a day swimming and exploring a beach or lake.
Run or jog together.
Visit an off-leash dog park where your dog can romp with other dogs.