To some people, “spiritual health” is a very abstract concept, many unexplainable elements.
A. contained
B. having contained
C. being contained
D. containing
网友回答
A. contained
B. having contained
C. being contained
(答案→)D. containing
解析：答案：D 考查非谓语动词。分析句子结构可知，concept与contain之间为主动关系，所以应用动词的现在分词形式containing。故答案选D。