Final answer:
The given run-on sentence is: Adriana has a charming personality her disposition is usually relaxed and pleasant.
Step-by-step explanation:
The run-on sentence in the given options is: Adriana has a charming personality her disposition is usually relaxed and pleasant. A run-on sentence occurs when two or more independent clauses are joined together without proper punctuation or conjunction. In this sentence, there are two independent clauses 'Adriana has a charming personality' and 'her disposition is usually relaxed and pleasant' that are not properly connected. To fix the run-on sentence, you can either use a conjunction like 'and' or separate the clauses into two sentences.
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