A rectangular water tank is filled to a depth of $$70$$cm. It contains $$1050$$ litres of water. Some water is taken out of the tank. The water level drops by $$25$$cm. How much water is left in the tank? 
选项为:A:$$625\rm L$$  B:$$375\rm L$$  C:$$525\rm L$$  D:$$270\rm L$$  E:$$675\rm L$$  请回答其中一个选项.