Its either A or C. thats all i can say though but B and D you can rule out. I hope i helped a little 
        
             
        
        
        
Answer:
C.   The small crowd of protesters had turned into an angry mob.
Explanation:
 
        
             
        
        
        
Interstitial cells surrounding seminiferous tubules produce testosterone in response
lh
        
             
        
        
        
Answer:
Explanation:
All Cnidarians have appendages with stinging cells in their tips which are utilized to capture and stifle prey. In truth, the phylum title "Cnidarian" actually implies "stinging animal." The stinging cells are called cnidocytes and contain a structure called a nematocyst. The nematocyst could be a coiled thread-like stinger.