I think it would be the third one "the process of communication is distinct for everyone"
 
because the term idiosyncratic basically means "to one self"
 
        
             
        
        
        
Many customers said they had a chance to eat and drink in a cleaner environment.
 
        
             
        
        
        
Answer:
Opportunity cost is when 1 or more peoples lose a "gain"  because they chose a specific thing when other alternatives were given and that choice they made caused problems and was overall worse comparatively. 
Explanation:
yall kids lazy these days 
 
        
             
        
        
        
Answer:
<h2>
Your sentence is correct.
</h2>
It means 'They did not do what I asked them to do.