问题
选择题
Clinical evidence began to__________, suggesting that the new drugs had a wider range of useful activities than had been predicted from experiments in animals.
A．operate
B．straighter
C．approve
D．accumulate
答案
答案：D
考察动词。句
意为：临床证据开始在积累了，表明了这种新药会将会比之前在动物身上预料的有更加宽阔地运用于很多有用的活动中去。strength，加强；approve，赞成；operate，动手术，操作。