Answer: Martin Luther King Jr. was an American minister and activist for civil rights in the  1950s and 1960s.
Explanation:
A simple sentence is made up of an independent clause along with one single subject and a verb with a compliment. 
In the first option, there is a single independent clause which is that MLK was an American ministers and activist. The subject is MLK and the verb and compliment are the years he was active. 
The other options have multiple clauses. 
 
        
             
        
        
        
Answer:
Because  a paragraph is really like a 3 sentence paragraph.
Explanation:
 
        
             
        
        
        
<span>A. cheering in the stands, the spectators hoped the team would remember their skills.
Hope this helps!</span>
        
                    
             
        
        
        
Answer:
I am stuck on this question too
Explanation: