Studies show that the things that contribute most to a sense of happiness cannot be bought， a good family life，friendship and work satisfaction.
A. as for
B. in view of
C. in case of
D. such as
网友回答
A. as for
B. in view of
C. in case of
(答案→)D. such as
解析：as for“至于(某人或某事物)”；in view of“鉴于，由于，考虑到”；in case of“万一，如果”；such as“例如”。句意：研究表明，能够极大地给人幸福感的东西不能买到，例如好的家庭生活、友谊和对工作的满意。故答案为D项。