原文为wilson suggests changing this situation by looking into ten species that could be made use of 辅助解释一下74题 .谢谢
Biodiversity, Wilson argues, is the key to settling many problems the earth faces today. Even our agricultural crops can gain advantages from it. A mere hundred species(物种) are the basis of our food supply, of which but twenty carry the load. Wilson suggests changing this situation by looking into ten thousand species that could be made use of, which will be a way to reduce the clearing of the natural hoes of, plants and animals to enlarge farming areas.这是原文 74题. Wilson suggests that one way to keep biodiversity is to _______.
A. learn how to farm scientifically
B. build homes for some dying species
C. make it clear what to eat
D. use more species for food