He absorbed himself so entirely to his research that ____he made himself ill.A.unfortunatelyB.purposefullyC.hopefullyD.eventually
网友回答
D解析句意：他全身心地投入工作，终于病倒了。eventually (=in the end,at last)最后；终于；unfortunately不幸的；遗憾地；hopefully 怀有希望地；purposefully有决心地，坚定地。