the man pulled out a gold watch,( ) were made of small diamo

the man pulled out a gold watch,( ) were made of small diamonds.
A:the hands of whom
B:whom the hands of
C:which the hands of
D:the hands of which
这题选啥?为什么?

D the hands of which = whose hands
这个人拿出一块金表,表的针是由小钻石做的.