Paul was going to buy $$4$$ servings of ice cream, but he was $$80$$ pence short. So, he bought $$3$$ servings and had $$30$$ pence left. What was the price of one serving of ice cream? 
选项为:A:$$70$$ pence  B:$$80$$ pence  C:$$90$$ pence  D:$$100$$ pence  E:110 pence  请回答其中一个选项.