题目内容：
根据下列材料，回答题As regards social conventions，we must say a，word about the English class system．This is an embarrassing subject for English people，and one they tend to be ashamed of，though dunng the present century class．consciousness has grown less and less．But it still exists．Broadly speaking，it means there are two classes．the“middle class”and the“working class”(We shall ignore for a moment the old“upper class”．since it is extremely small in numbers；but some of its members have the right to sit in the House of Lords，and some newspapers take a surprising interest in their private life．)The middle class consists chiefly of businessmen and professional people of all kinds．The working class consists chiefly of manual and unskilled workers．
The most obvious difference between them is in their accent．Middle—class people use slightly varying kinds of“received pronunciation”，which is the kind of English spoken by BBC announcers and taught to overseas pupils．Typical workin9—class people speak in many different local accents which are generally felt to be rather ugly and uneducated．One of the biggest barriers of social equality in England is the tw0—class education system．To have been to a s0’called“public
school’’immediately marks you out as one of the middle class．The middle classes tend to live a more formal life．Their midday meal is“lunch”and they have a rather formal evening meal called．“dinner”．whereas the working man’s dinner，if his working hours permit，is at midday，and his smaller，late—evening meal is called supper．
It has been government policy to reduce class distincti0．ns．Workin9．class students commonlv
receive a university education and enter the professions，and workin9—class incomes have grown so much recently．However，regardless of one’S social status，certain standards of politeness areex．
pected of everybody，and a well—bred person is polite to everyone he meets．and treats a laborer with the same respect he gives an important businessman．Servility inspires both embarraSSlnent and
dislike·Even the word“sir”，except in school and in certain occupations(e．g．commerce．the ar my etc．)sounds too servile to be commonly used．’
The“upper class”in England today． A．are extremely small in number so that media pays no aRenfion to them
B．still uses old words like“sir”in their everyday life
C．Call sits in the House of Lords
D．refers only to the royal famiry
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