og 243 谁能帮我翻译一下意思

243. Some scientists have been critical of the laboratory tests conducted by the Federal Drug Administration on the grounds that the amounts of suspected carcinogens fed to animals far exceeds those that humans could consume.
            

(A) far exceeds those that humans could consume
            

(B) exceeds by far those humans can consume
            

(C) far exceeds those humans are able to consume
            

(D) exceed by far those able to be consumed
                by humans

(E) far exceed those that humans could consume
            

有些科学家批评美国联邦食品和药物管理局所做的实验，基于以下理由: 喂动物所吃下的可能致癌物量远大于人类可能食用的量。