Together, Mom Kangaroo and her son Jumper weigh $60$ kilograms. Mom Kangaroo alone weighs $52$ kilograms. How much does Jumper weigh? ($$2019$$ Math kangaroo Problems, Level $$1-2$$, Question \#$$3$$) 
选项为:A:2 kilograms  B:4 kilograms  C:8 kilograms  D:30 kilograms  E:46 kilograms  请回答其中一个选项.