单选题 In order to help the students get a better understanding of the new conception, the professor ______ it with many examples.

【正确答案】 D
【答案解析】(illustrate用例子说明)。句意为：为了让学生们更好地理解这个新概念，教授用许多例证对它进行阐释。A．enchant使心醉；B．dissipate挥霍；C．eliminate消灭。