[A] another
[B] others
[C] other
[D] anyone
查看答案
Shop owners often hire moonlighting police as parking attendants so that shoppers
[A] can stay longer browsing in the store.
[B] won't have trouble parking their cars.
[C] won't have any worries about security.
[D] can find their cars easily after shopping.
非组蛋白染色体蛋白负责30nm纤丝高度有序的压缩。