I think it's B. Possibly.
        
                    
             
        
        
        
Answer:
7.9 Age Word Problems
One application of linear equations is what are termed age problems. When solving age problems, generally the age of two different people (or objects) both now and in the future (or past) are compared. The objective of these problems is usually to find each subject’s current age. Since there can be a lot of information in these problems, a chart can be used to help organize and solve. An example of such a table is below.
 
        
             
        
        
        
The effect of the simile in this passage makes the passage more interesting and gives it that extra "boost" to help the reader understand what is going on. 
Hope this helps!
        
             
        
        
        
Answer:
After the Cuban revolution led by Fidel Castro in 1959, a Cuban exodus began as the new government allied itself with the Soviet Union and began to introduce communism. From 1960 to 1979, tens of thousands of Cubans left Cuba, with the vast majority coming from Cuba's educated, landowning upper class.
Explanation: