His broken arm healed well, but he died of the pneumonia which followed as a______.
【正确答案】 D
【答案解析】解析：句意：他断掉的胳膊痊愈得很好，但是他却死于之后的并发症——肺炎。complication并发症。complement补助，补足。compliment称赞，恭维。complexion面色；局面。