We recently did a simple experiment, which happens to how children's knowledge of what a hero is like determines their behaviour.
A. congratulate
B. acknowledge
C. distinguish
D. illustrate
网友回答
A. congratulate
B. acknowledge
C. distinguish
(答案→)D. illustrate
解析：D 考察动词辨析。Congratulate祝贺；ackonowledge承认，distinguish区别。Illustrate阐明；句义：我们最近做了一个简单的实验，它阐述了孩子们了解的英雄人物是如何决定他们的行为的。根据句义说明D正确。