11.C细节理解题。根据第二段中的“ Fiber' s healthberits have been recorded by over 100 years ofresearch."和“ they have been still overlookedfar”可知,A项表述错误,C项表遂正确;根据文章最后一句可知,B项表述错误;根据第二段中的“ He is also the co-author of the research.”可知,D项表述错误。故选C项。