An automobile manufacturer wished to know which of two new paint colors were preferred on its newest line of vehicles. A~large simple random sample was taken from people throughout the USA who had purchased one of their vehicles in the~previous five years. What is the safest generalization of this survey? 
选项为:A:Only those people who took this particular survey  B:All future customers of this automobile manufacturer  C:All people who have purchased from that manufacturer in the previous five years  D:Only those people who have purchased a vehicle in the previous five years  E:All vehicle owners in the USA  请回答其中一个选项.