Not only ____the jewelry she____been sold for her son's gambling debts but also her house.
【分析】本题考查倒装句的表达和定语从句两个知识点.
当not only （含有否定意义的词）置于句首时,句子的主谓要倒装.
the jewelry (she had ) 括号中为定语从句,修饰先行词the jewelry,定语从句中省略了作宾语的关系代词that 或 which.由于the jewelry已经被卖掉了,所以只能是她以前所有过,故应用过去时.
故,答案应为A.