托业考试

根据网考网考试中心的统计分析，以下试题在2017/12/10日托业考试习题练习中，答错率较高，为：89%
【单选题】The eagerly awaited first ______ of development of the Centropolis construction project will be attended by a group of authorities and visitors.

• (A) stage
• (B) environment
• (C) compound
• (D) period