<span>It's A.) It explains why Bob does not recognize his friend Jimmy when he talks to the policeman.
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<span>C is the correct answer. There is an understood you as follows: “for once in your life, [you should] try something new and exciting”. ‘For once in your life’ in this sentence is an adjunct and is extra information given to emphasise the strength of the speaker’s feelings.</span>
        
                    
             
        
        
        
C. Because they don’t care about people’s health and just want to make money
        
                    
             
        
        
        
Comparing and contrasting means to show the differences and similarities of two things. Afterward then you can show which one is better and or worse.