These teenagers don’t know much of the world yet; that’s why they are so easily.A. taken i

问题补充：

These teenagers don’t know much of the world yet; that’s why they are so easily.

A. taken in

B. taken up

C. taken on

D. taken off

答案：

(答案→)A. taken in

B. taken up

C. taken on

D. taken off

解析：句意：这些少年依然对这个世界知道的不多，这也是为什么他们很容易就上套。take in 欺骗、吸收；take up占据；take on承担；take off起飞。故选A。

考点: 考查动词短语的用法。