The description that is NOT a characteristic of a complete sentence is, it contains at least one dependent clause. The correct answer is option B. A complete sentence conveys a complete thought, contains a subject and a predicate, and contains at least one independent clause and NOT a dependent clause.
It contains at least one dependent clause is the one among the following choices given in the question, that is not a characteristic of a complete sentence. The correct option among all the options given in the question is the second option or option "B". I hope the answer comes to your help.