单选题AInhabitants on an isolated island.BThe Ancient Greeks.CA great psychologist.DA scientist.

单选题
A

Inhabitants on an isolated island.

B

The Ancient Greeks.

C

A great psychologist.

D

A scientist.


参考解析

解析:
男士提到Centuries ago, the Ancient Greeks developed the system of mnemonics or memory aids。故选项B正确。

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