Given below are adaptations of aquatic animals. I: A streamlined body II: Breathing tubes III: Webbed feet IV: Gills V: Fins Aquatic animals move easily in the water using which above helping adaptations-

• A.  Only I, II and V     
• B.  Only I, III and V
• C.  Only I, II, III and V
• D.  I, II, III, IV and V