In a project environment, functional managers are responsible for ______.

A) acting as a sounding board for clarification of critical issues
B) establishing administrative policies
C) outlining time, cost and performance constrains
D) identifying and developing mitigation strategies for areas of risk

随着微博、微信等的广泛使用，公民的意见表达和利益诉求日益快速、便捷和多样化，其参政、议政的效果和能力也得以快速提升。面对“微时代”政治生态发生的巨大变迁，中 * * 党作为执政党必须

①坚定理想信念,保持党的纯洁性            ②引导社会舆论,履行国家管理职能

③完善执政方式,提升执政能力和水平        ④关注民生民意,更好地实现党的宗旨

A．①③

B．①④

C．②④

D．③④