Even though its per capita food supply hardly increased during two decades, stringent rationing and planned distribution have allowed the People’s Republic of China to ensure nutritional levels of 2,000 calories per person per day for its population. (A) Even though its per capita food supply hardly increased during (B) Even though its per capita food supply has hardly increased in (C) Despite its per capita food supply hardly increasing over (D) Despite there being hardly any increase in its per capita food supply during (E) Although there is hardly any increase in per capita food supply for\
答案选B 当时做的时候觉得逗号后边主语是stringent rationing and planned distribution,所以even though 后边不能用it,所以选的E(不过E有there be。。)
谁能帮我分析一下这句话,觉得有点稀里糊涂的 还有就是为什么一定要用has done。。。in two decades,与during 有什么用法的区别?? 谢谢
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