Sentence A's use of a semicolon is meant to show a connection between two different ideas. Sentence B's use of the colon is used to precede a list or explanation. 
 
        
             
        
        
        
The answer is A because it gives all of the details but is not too long.
 
        
                    
             
        
        
        
Sentence 
Thomas got sick on his vacation, and don’t enjoy his trip.
        
             
        
        
        
- "Look at me! Look at my arm! I have ploughed and planted, and gathered into barns, and no man could head me! And ain't I a woman?"
- "I could work as much and eat as much as a man - when I could get it - and bear the lash as well! And ain't I a woman? "
- "I have borne thirteen children, and seen most all sold off to slavery, and when I cried out with my mother's grief, none but Jesus heard me! And ain't I a woman?"
With these three sentences, she is appealing to the audience about the disparities between men and women, that there is no equality as the man said. 
Sojourner Truth, (1797–1883), was born into slavery in New York State. Some time after gaining her freedom in 1827, she became a well known anti-slavery speaker.
 
        
             
        
        
        
Answer:
It will probably never end, in the sense that this virus is clearly here to stay unless we eradicate it. And the only way to eradicate such a virus would be with a very effective vaccine that is delivered to every human being. We have done that with smallpox, but that's the only example - and that has taken many years.