Withnoarrangementsreached，theleadersinthesix﹣sidetalksw...

問題詳情：

With no arrangements reached，the leaders in the six﹣side talks will spend another two hours，_____ in the hotel，discussing the nuclear problem of North Korea．（　　）

A．locking  B．having locked

C．locked   D．being locked

【回答】

C

知識點：非謂語動詞

題型：選擇題