单选题
14、 Many ancient tombs have been stolen by thieves and the treasures inside were lost. _________this is a matter of regret.
参考答案
D
题目详解:

131****2770
毫无疑问这真是件遗憾的事

136****3830
treasure金银珠宝, ancient tombs古墓,很多古墓里的金银珠宝被小偷偷走了,毫无意义这是多么遗憾啊。选D

138****6688
no doubt毫无疑问