Many thanks to the whole team and to my family, understanding and support has made my success possible.
A. which
B. that
C. who
D. whose
网友回答
A. which
B. that
C. who
(答案→)D. whose
解析：选D。考查定语从句。whose引导非限制性定语从句, whose understanding and support在定语从句中作主语。