简述沉浸式虚拟现实系统的特点

A.公共投资
B.私人投资
C.直接投资
D.间接投资

and phrases correctly to construct meaningful and grammatically correct sentences. It consists of 2 sections. Section A （） Directions: There are 5 incomplete statements here. You are required to complete each statement by choosing the appropriate answer from the 4 choices marked A, B, C and D. 11. I can get ____________ in my part of the conversation.A．involveB．involvedC．involvingD．to involve

A.北美、欧洲、亚洲
B.欧洲、南美、非洲
C.北美、东亚、欧洲
D.亚洲、欧洲、南美