单选题
During the lecture, the speaker occasionally ______ his point by relating his own experiences.
【正确答案】
A
【答案解析】本题考查近义异形词的辨析。illustrate多指用图或例子“说明，阐明”，和题干中的by relating his own experiences(引用自己的经历)相一致，故答案为A。B．hinted(暗示)、C．cited(引用)、D．displayed(陈列，显示)均不符合题意。故答案为A。