Deliberate Deception,one Example Among Some Common Ploys in International Negotiations,refers

Deliberate deception,one example among some common ploys in international negotiations,refers to

A) Negotiators presenting flagrant untruths either in the facts they present or in their intentions for the negotiation.
B) Negotiators waiting to the last minute before the international negotiation team plans to go home.
C) Negotiators making an agreement then reveal that it must be approved by senior managers or the government.
D) One negotiator acting agreeable and friendly while his or her partner makes outrageous or unreasonable demands.