Clothes, decorations, physique, hair and facial (1) give a great deal of information about us. For instance, we wear clothes to keep us warm, (2) unlike animals we do not have a protective (3) of hair. But for the purpose of communication, we dress (4) clothes of different colours, style and material; we wear jewellery and other valuables; we use cosmetics and perfume; we (5) beards and sideburns; and we smoke pipes and carry walking sticks.Strict rules govern the clothes we wear. We do not, wear football boots with a dinner-jacket, (6) a boiler suit to work in an insurance office. A clerk on Wall Street will wear more formal dress than someone in a (7) job in a country town. Fashionable and smart (8) are associated with good qualities, and well-dressed people have been (9) to get more help and cooperation from (10) strangers. For example, a woman is often given more (11) of help with her broken-down car when she is dressed attractively than when she is dressed less (12) .Rebels consider themselves to be different from other people in society, and often (13) their physical appearance to show this. In the last two decades in Britain there have been a number of (14) movements with distinct uniforms. Hippies did not just wear simple clothes but dressed in a particular style that made them instantly (15) .But in our modem society some people (16) choose particular clothes to project the personalities. (17) types wear brighter colours than more reserved people. Some people wear odd (18) of clothes to express their individuality. For example, someone (19) give an impression of high social status, (20) origin and bad temper by wearing an expensive suit. Read the fallowing text. Choose the best word (s) for each numbered blank and mark A,B,C or D on ANSWER SHEET 1.9（）

A. found out
B. identified
C. discovered
D. known