Read the following article and select the best answer. Article: Confucius was born on September 28,551 BC.Chinese regard Confucius as the greatest thinker and also the greatest teacher.He had about 3,000 students.For more that 2,000 years,Confucius's ideas have been around in people's everyday life.Now they have gone far into east and south Asia.People can still hear them today. Why are his ideas so popular? Because they help a 1ot in everyday life.Confucius said young people should take care of the old.People should give up thinking of themselves and work for others.As a great teacher,Confucius said all should go to school if they could. Question: Confucius thought _ . - young people needn't take care of the old - people should think of themselves - people should work for others - all the people could go to school
people should work for others