阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。 Bringing Art into Hospitals The medical world is gradually realizing that the quality of the (36) in hospitals may play an important (37) to help patients to get better. As (38) of nationwide effort in Britain to bring (39) out (40) the museums and into (41) places, some of the country’s best artists have (42) in to change older hospital and to soften the (43) edges of modern buildings. Of the 2500 national health service hospitals in Britain, almost 100 now have very valuable collections of present art in passages, waiting areas and treatment rooms. These recent movements first (44) by one artist, Peter Senior, who set up his studio at a Manchester hospital on northeastern England during the early 1970s. He felt the artist had lost his place in modern society, and (45) he should be enjoyed by a wider audience. A common hospital waiting room might have (46) 5 000 visitors each week, what a better place to hold regular exhibitions of art! Senior held the first exhibition of his own paintings in the out-patients waiting area of the Manchester Royal Hospital in 1975. Believed to lie Britain’s first hospital artist, Senior was so much (47) that he was soon joined (48) a team of six young art school graduates. The effect is (49) , now in file (50) and waiting rooms the visitors (51) a full view of fresh colors, playful images and restful countyards. The quality of the environment may (52) the used for expensive drugs when a patient is (53) from all illness. A study has shown that (54) who halt a view onto garden needed half the number of strong pain killers compared (55) patients who had no view at all or only a brick wall to look at.

A. in demand
B. need
C. demand
D. require