What is the capacity of a water tank which measures \[\text{3m}\times \text{2}\text{.5m}\times \text{2m?}\]

• A.                  150 m                                                  
• B.                  15 m                
• C.                                        \[\text{15 }{{\text{m}}^{\text{3}}}\]            
• D.                                                         \[\text{150 }{{\text{m}}^{\text{3}}}\]