Karyn Fleishman Is the Lead Sales Representative on a Team

Karyn Fleishman is the lead sales representative on a team selling super-powered microscopes to research laboratories and other research institutions.She and her team just made a presentation to the buying team of a large lab,and they are about to enter the negotiation process to work toward closing a deal.
-During the negotiations,it became apparent that the buyer had not understood the delivery schedule correctly.This made it:

A) more difficult,as the sales team clearly cannot communicate details effectively
B) more difficult,as the sales team must start the whole negotiating process again from scratch
C) more difficult,as the buyer was not capable of understanding the terms
D) easier,as the buyer gave in to the seller as an apology for misunderstanding
E) easier,as the sales team needed to clarify,not negotiate,that issue