Which option describes a complex sentence?

Question

A. a sentence that contains at least two independent clauses and at least one dependent clause

B. a sentence that contains a subject and a verb and expresses a complete thought

C. a sentence that contains one independent clause and at least one dependent clause

D. a sentence that contains two or more independent clauses joined with a comma and a conjunction

Answer 1

A. a sentence that contains at least two independent clauses and at least one dependent clause