Depending on the subject, he could go to his text book, online ebook, etc. He could look at his review if he was given one. He could find other books relating to the subject that could potentially help. (Not much to go on, hope this helps c:)
        
             
        
        
        
Answer:
wear one's heart on one's sleeve
For example, You can't help but see how he feels about her; he wears his heart on his sleeve. This expression alludes to the former custom of tying a woman's favor to her lover's sleeve, thereby announcing their attachment.
Explanation:
I found that on the web 
hope it helps....
 
        
             
        
        
        
Based on the given excerpt above, I can say that the what the carp represents here are DEATH and INNOCENCE. Death here refers to how the twenty-pound carp was being treated and innocence refers to the teachers and boarding students who tasted the carp. This excerpt is actually from Yun Wang's "The Carp" and this lyric poem reflects his bad experiences from his father, such as imprisonment and torture.
        
                    
             
        
        
        
The expression "her heart was throbbing" implies that her heart was ultimately beating or pounding. It is to beat rapidly or violently. In simpler words, it just means that her heart was beating fast due to an emotional outburst. Hope this answers your question. Have a great day!
        
             
        
        
        
Answer:
C - logos
Explanation:
Logos is a rhetorical strategy when you use logical arguments and evidence to state your point. Facts, fallacies, and fallacious doesn’t fit that definition very well.