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
A选项: those换成that,比较的是harvest不可数;
CD选项:比较对象有问题;
E选项:fewer than 有问题,因为比较的是不可数名词harvest, 所以应该换成less than; that of India's 1978 harvest,中,that已经指代harvest, 再加上harvest语义上重复,和冗杂;
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