Answer:
B) While most modern zoos do not teach animals to perform "tricks," they do train animals to respond to certain commands to make them safer to handle, move and examine. 
Explanation:
The sentence lacks parallelism, which occurs when there are similar grammatical structures within senteces and paragraphs. In the sentence given, the last part that refers to the reasons why animals are trained has different and incorrect verb forms, which make the sentence difficult to read. Thus, the correct version includes the full infinitive <em>to </em>for the verbs <em>handle, move </em>and <em>examine</em>.
 
        
             
        
        
        
Since 'sullen' and 'moody' mean almost the same, we should find a word that has a similar meaning to 'monotonous'. The word that has the closes meaning to it is 'repetitious', meaning 'tedious, boring, dull'. 
        
                    
             
        
        
        
Answer:
The details about families leaving for a better life inform readers about the status of the author’s family.
Explanation:
This is the sentence that best explains how the details in the passage support the author's purpose. In this excerpt, the author wants to inform readers about the status of his family. Therefore, in order to do so, the author tells us about the abolition of slavery in the British Empire, the need for reliable workers in sugar plantations and the risks involved in leaving India. The author also tells us how, even though leaving India was very risky and scary, it was the right decision for some families, such as his.