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The sentence in which the adverb clause modifies an adjective is the second one - The veteran appeared proud as he saluted the flag.
The adjective here is <em>proud</em>, and the adverbial clause is <em>as he saluted the flag. </em>As you can see here, that clause is describing the adjective in more detail. 
When did the veteran appear proud? - As he saluted the flag (it obviously modifies the word <em>proud</em>)
        
             
        
        
        
Answer:
A)The military unit	
Explanation:The first option best fit in . The sentence can be re-written as - the military unit practises twice weekly.
 
        
                    
             
        
        
        
I think she will be ruled In all respects by me; nay, more, I doudt it not.