Answer:
1.My cat loves salmon she goes crazy when she smells it.
2.Donna lives in Orlando her school in Winter Park is not within walking distance.
3.Her husband is a software engineer he designs computer programs.
Explanation:
The three sentences above each have two independent sentences that should be linked by a punctuation (a comma, semicolon or semicolon) or by a preposition that connects them in a coherent way and makes the reading more fluid and paused. However, this did not happen and the two sentences were joined without any connective between them, but they are capable of providing a coherent and understandable thought. When this occurs, it is called a fused (or run-on) sentence.
 
        
             
        
        
        
D is the only sentence with the correct usage of quotation marks.
        
                    
             
        
        
        
Probably because they were murdered. 
Please vote my answer brainliest. thanks!
        
                    
             
        
        
        
Hey there!
The answer to your question is A.
Hope I helped!