The maker of the popular game Angry Birds announced on Tuesday that it would open its first overseas operation in Shangh

问题描述:

The maker of the popular game Angry Birds announced on Tuesday that it would open its first overseas operation in Shanghai,_____ a clear step to further enter the booming Chinese market.
A.to mark B.marking C.marked D.having marked
并翻译

选B.“标志着”进一步深入中国市场
A的意思是“为了标志.”不合逻辑.
C是谓语动词,造成句子里出现两套不并列的谓语,不合语法.
D的意思是“已经标志了.”不如B合理.