根据以上内容，回答下列各题。 Passage Three 0ne of the industrial giants who changedAmerica

n society was Henry Ford born on a farmin Michigan in 1863，and he grew up to bringforth some of the most revolutionary improvements in automotive technology inthe early 20th century．His outstanding mechanicalabilityled him to become interested in the new automobiles in the early 1900s．Though heDid not invent the automobile .he improved upon everyoneelse’sDesigns．He Was a person who believedininexpensive .efficient production，so he establishedstandards for his plants and workers． He also standardized and produced many new auto parts for his Ford Motor Company carfl．Then hestudied the worlkers，problems andthousands of automobiles per year．In fact，his plants hadDroduced 15 million Model TS by 1927．Ford’s personality was not all thrift(节俭)，efficiencyand inventiveness．however．He was a man who was cold and who could not keep pace with thecompetitionDue to his own rigidity(严格)．His company suffered because of hisDesire tomaintain the existing stateinstead of meeting and beating the competition by changing his prod’ucts．Finally．he saw that he must change or fail，therefore，he introduced a newtype engineandonce again took over the automobile market． Ford left alegacy of millions ofDollars，rail-lions of jobs forAmerican workers，and millions of satisfied customers． It is Henry Ford’s belief that________．

A.products should be sold atlow prices in large quantity

B.products should be sold athigh prices in large quantity

C.products should be madewith less cost but higher efficiency

D.standards must beestablished in his plants