— Could you take care of my dog
—The expertthoughtthe coins the farmer had found under the ground were just copper gold．
A. instead
B. rather than
C. more than
D. in place of
网友回答
A. instead
(答案→)B. rather than
C. more than
D. in place of
解析：此处意思“是金子而不是铜”，rather than“而不是”符合句意。