In a car race, George was $$50$$ metres behind Chris and $$40$$ metres ahead of John. Emma was $$60$$ metres behind George. What is the distance between the first car and the last car? 
选项为:A:$$90m$$  B:$$170m$$  C:$$150m$$  D:$$114m$$  E:$$110m$$  请回答其中一个选项.