Now that the children have we should let them free to choose their style of living.A. pic

问题补充：

Now that the children have, we should let them free to choose their style of living.

A. picked up

B. brought up

C. grown up

D. taken up

答案：

A. picked up

B. brought up

(答案→)C. grown up

D. taken up

解析：句意：既然，孩子们已经长大，我们应该让他们自由地选择他们的生活方式。pick up 搭车，捡起来；bring up 抚养；grow up 成长，长大；take up 占据。根据句意可知C正确。

考点: 考查动词短语的辨析。