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
产量是单数,所以不能用those。A排———production不可数用less,DE排——剩下BC选项,明确比较的内容为收成,而非年份,选B
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