The watch and chain as well as the ring of gold.
A. are made
B. were made
C. is made
D. was made
网友回答
A. are made
B. were made
(答案→)C. is made
D. was made
解析：考查主谓一致：主语被as well as连接时，谓语和前面的主语一致，就是The watch and chain，因为是一个the，所以指的是“手表和手链”，属于一个东西，谓语是单数，be made of是“由…制成”，句意：手表和戒指都是金子做的。选C。