<span>B cells recognize their specific antigen on the surface of the invading pathogen or recognize toxins secreted by pathogens. Then, some B cells clone into memory B cells, while others multiply as plasma cells, which generate antibodies that bind to pathogens and block them from entering your healthy cells.</span>
        
                    
             
        
        
        
Put up informative posts warning others and giving statistics and facts about the current pandemic, ensure procedures are discussed and and the hotline is shared, posters and fliers are also a gud idea to ensure diversity, let them be up to date with the news frequently and make sure to practice the right procedures.
        
             
        
        
        
1. Avoid being provoked into an emotional response.
2. Don’t abandon value-creating strategies.
3. Use time to your advantage.
 
        
             
        
        
        
I am pretty sure it is D 
I hope this helps you !!