It is said that his missing books were the possession of his former wife and they were valued 500,000$
A. in ; to
B. in; at
C. under; at
D. to; for
网友回答
A. in ; to
(答案→)B. in; at
C. under; at
D. to; for
解析：in possession of sth. 占有某物; value用作动词, 当 “估价”讲, 后接介词at +金钱, 意思为 “估价为……”。