Where is the rest of this problem?
        
             
        
        
        
Answer:
B
Explanation:
there should not be a comma
 
        
             
        
        
        
1. They made mistakes
2. The hecklers interrupted the chair's address. 
3. The city's new noise complaint hotline took numerous reports of loud music from bars and shouting neighbors. 
4. An eight year old performed the violin solo. 
5. The body's immunological response to gluten can cause intestinal damage in patients with celiac disease.
        
             
        
        
        
I believe the example of a caravan would be D. a group of people who travel to trade goods. 
hope this helps!