The World Trade Organization(WTO)finally opened its door to China on November 10, ________ our Chinese 15year wait．

A.to end

B.ended

C.ending

D.ends

答案及解析： C

本题考查非谓语动词的区别与用法。v．-ing形式在句中表示结果时，多指顺理成章的或意料之内的结果。