题目

Henry Ford was the first person to build cars which were cheap，strong and fast．He was able to se11 millions of models because be could produce them in large numbers at a time；that is，he made a great many cars of exactly the same kind．Ford’s father hoped that his son would be come a farmer，but the young man did not like the idea and he went to Detroit（底特律）where he worked as a mechanic（机械师）．By the age of 29，in 1892，he had built his first car．However，the car made in this way，the famous “Model T” did not appear until 1908-five years after Ford bad 执行如图所示的程序框图，则输出的n的值为（ ）A．5B．6C．7D．8