【题目】An increase in the price of drugs has __________ the rising cost of medical care.
A. resulted from B. brought up.
C. burst into D. contributed to
在线课程【答案】D
【解析】句意：药品的价格增长造成了医疗成本的上升。result from由……产生；bring up养育，提出；burst into闯入；突然……起来；contribute to促成；有助于；投稿。