<span>B.
Leonardo da Vinci was an artist, inventor, and engineer.
The correction for this is all about parallelism.Parallelism is when the same grammatical structure is repeated for effect. When writing a list it is important that all things in the list have the same grammatical structure. In the correct answer all of da Vinci's descriptors are nouns. In the incorrect sentence, "liked engineering" uses a verb.
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The answer is c. It. One across many things saying how crazy he is
        
                    
             
        
        
        
Your answer is D).
She believed it was to <span>provide balance and comfort to Americans in stressful times.
Hope this helps~!
~{Isle of flightless birds}</span>