In 1979 lack of rain reduced India's rice production to about 41 million tons, nearly 25 percent less than those of the 1978 harvest.
less than those of the 1978 harvest
less than the 1978 harvest
less than 1978
fewer than 1978
fewer than that of India's 1978 harvest
AE选项有that/those of结构,考虑到平行,主句中也应该有of结构,但lack of固搭,没有这样的of结构,AE排出 CD选项变为比较年份,但主句中有in 1979结构,CD选项中即使比较年份,也少了in,不对。
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