剑三耽美键盘网游文包:Her latest documentary is _______youth unemployment.
来源：百度文库 编辑：中科新闻网 时间：2024/06/06 06:29:43
a
concerned about
b
concerned in
c
concerned with
d
concerned over
concerned about
b
concerned in
c
concerned with
d
concerned over
a be concerned about 关于。
全句意为：他最近的纪录片是关于青年失业的问题的。
a
concerned about
A