单选题 The project manager must maintain an effective communication link with the customer's satisfaction with the progress of the project. The project manager maintains this link through______.

A、 periodic project reports, periodic visits to the customer, and telephonic exchanges
B、 subordinates, project team members, and the project sponsor
C、 one-time reports, weekly reports, and monthly reports
D、 the telephone, facsimile, and data transmission

【正确答案】 A

【答案解析】[参考译文] 项目经理必须保持一个有效的沟通渠道，以使客户对项目的进展表示满意。项目经理可以通过定期的项目报告(periodic project reports)、定期走访客户(periodic visits to the customer)和电话交流(telephonic exchanges)等保持这个渠道。