【题目】more coffee couldpeople's life span, as coffee drinkers would have a lower risk of death, a new study shows.
A.Drinking; diverse
B.Drinking; extend
C.To drink; conservative
D.Being drink; adopt

【答案】B
【解析】考查非谓语动词和动词辨析。句意：一项新研究显示，多喝咖啡能延长人的寿命，喝咖啡的人死亡率较低。第一个空做主语用动名词形式，第二个空是“延长”的意思。故选B。