The answer is A. 
It should be the right answer.<span />
        
             
        
        
        
Answer:
definition 1. 
Explanation:
 the context matters in the sentence. It has the indication of a screw for tightening, saying the word "latch" making it obvious.
 
        
                    
             
        
        
        
Answer:
OK
Explanation:
In addition, the past three decades have seen prenatal substance use become a ... Of pregnant women aged 15–44, 5% report current illicit drug use, ... exposure to substances is a significant public health problem. ... fear and stigma create barriers to care and result in unmet needs for this population
 
        
             
        
        
        
Charlie is afraid because he knows that the same thing will happen to him.