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Mr. Li, who _____ his whole life to education, is retiring next month.
A．devotedB．is devotingC．has devotedD．had devoted
C

試題分析：句意：把一生都花在了教育事業(yè)的李先生，下個月將退休。根據(jù)句意可知他把一生都致力于教育事業(yè)是過去所發(fā)生的事情，持續(xù)到了現(xiàn)在。故使用現(xiàn)在完成時。故C正確。
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