题目内容：
根据下列材料，回答题Generations of Americans have been brought26 to believe that a good breakfast is important for health．Eating breakfast at the27 0f the day，we have aU been28，is as necessary as putting gasoline in the family car29starting a trip．
But for many people the thought of food first in the morning is by—30—pleasures．So3l all the efforts，they still take no32．Between l978 and l983，the years for which figures are 33，the number of people who didn’t have breakfast increased3433 percent--from 8．8 million t0 1 1．7 million35 the Chinese—based Market Research Corporation of America．
For those who feel pain of36about not having breakfast，37，there is some good news．Several studies in the last few years38 that，for adults especially，there may be nothing 39 with omitting breakfast．‘'Going 40 breakfast does not，affect 41．’'Said Arnold E．Bendoer，。former professor of nutrition at Queen Elizabeth College in London，42 does giving people breakfastlmprove performance．
43evidence relating break．fast to better health or44 performances is surprisingly inadequate，and most of the recent work involves children，not 45．“The literature，”says one researcher，Dr．Ernesto Pollitt at the University of Texas，“is poor．”
A．about
B．into
C．up
D．from
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