选择题：[单选题,7.1分] When people are segregated in ________

题目内容：
[单选题,7.1分] When people are segregated in ________ workshops, they miss out on the opportunities of interacting, working in a meaningful job and being part of the community at large.

A.shielded
B.sheltered
C.hidden
D.concealed
参考答案：