题目内容：
The author tends to think that thefifth level________回答下面的题目Human needs seem endless．They might beregarded as making up several levels．When there is enough money to satisfy one level of needs,another level appears．Thefirst and most basic level of needs involves fooD．Once this level issatisfied, the second level of needs, clothing and some sort ofshelter, appears．By the end of World War Ⅱ , theseneeds were satisfied for a great majority of Americans．Then a third level appeareD．It includedsuch items as automobiles and new houses．By1957 or 1958 this third level of needs was fairly well satisfieD．Then, in thelate 1950s, a fourth level of needs appeared: the"life-enriching level．While the other levels involve physical satisfaction,that is, the feeding, comfort, safety, and transportation, this level stressesmental needs for recognition, achievement, and happiness．It includes a varietyof goods and services．Among them are vacation trips, the best medical anddental care, and recreation．Alsoincluded here are fancy goods and the latest styles in clothing．Onthe fourth level, a lot of money is spent on services, while on the first threelevels more isspent on goods．Afifth level would probably involve needs that can be achieved best by communityaction．Consumers may be spending more on taxes topay for government action against disease, ignorance, crime, and prejudicE．After filling our stomachs, our clothes closets, our garages, our teeth, andour minds, we now may seek to ensure the health, safety, and leisure to enjoymore fully the good things on the first four levels．According to the passage, man willbegin to think about such needs as housing and clothing only when________A．would be little better than the fourthlevel
B．may be a lot more desirable than thefirst four
C．can be the last and most satisfyinglevel
D．will become attainable before thegovernment takes actions
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