【题目】Tom's new watch ________ hands are made of gold is quite expensive.
A.that
B.which
C.whose
D.of which

【答案】C
【解析】句意：汤姆的指针是金子制成的手表非常昂贵。句中包含定语从句，先行词是watch和hands的关系是手表的指针，故用关系代词whose，故选C.