Answer:
John tests Buck by commanding him to jump off a cliff, which Buck obeys before John stops him at the last minute. Buck luxuriates in his primitive, almost mystical connection with John, while John seems more confused and possibly scared of the implications of Buck’s devotion. In this way, John appears to have a less developed character than Buck, which seems surprising since Buck is a dog.
Explanation:
 
        
             
        
        
        
FALSE because "Sit!" is a sentence as when you instruct a dog to sit that is a whole sentence on its own.
        
                    
             
        
        
        
Answer: theory 
Explanation: there has been questioning/a theory that a delay has occurred bc if graduated licensing 
 
        
             
        
        
        
D.  look up the unfamiliar word in a dictionary to check its meaning.
Context clues will always provide hints with regard to helping readers figure out what a word  or term means.  However, after figuring out what a word means based upon context clues (which should only be considered the first step), what you should do is look up the word in question.  This should be done so you could check your interpretation as well as help you commit the new word or term to memory.