Derrick lists down all whole numbers from $$1$$ to $$20$$. Lisa selects all odd numbers and adds them up. Aisha selects all the even numbers and adds them up. What is the difference between Aisha\textquotesingle s and Lisa\textquotesingle s sums? 
选项为:A:$$20$$  B:$$11$$  C:$$10$$  D:$$9$$  E:$$5$$  请回答其中一个选项.