China是主语,deployed是谓语 a state-operated oil rig是宾语,这是句子的最主要成分.剩下的 last month是时间状语 off the Paracel Islands in the South China Sea是地点状语,within what Vietnam considers its ex...what在从句中做considers的宾语么？对的 what做从句中consider的宾语，指代前面那个主句“China deployed a state-operated oil rig last month off the Paracel Islands in the South China Sea”