The sentence contains a dangling modifier.
As it is written the modifier "considering the candidates" seems to be describing "one." However, one is not doing the considering; instead, "one" is a candidate. 
A better revision might be "Considering the candidates, I feel one stands out as the best choice." In this way, the person doing the considering is made clear.
        
             
        
        
        
B. abyss 
Definition: a deep or seemingly bottomless chasm.
        
             
        
        
        
Answer:
B. An object of innovation
Explanation:
 
        
             
        
        
        
It's asking you how did you understand what manipulate means by reading the sentence. Hope this helps