Often, the Delphi Technique Is Used in Conjunction with an Expert

Often, the Delphi technique is used in conjunction with an expert forecasting survey. The major objective is to

A) allow an opportunity to obtain diverse expert opinions.
B) allow experts to work separately to reach a consensus as to their forecasts.
C) reach an accurate sales forecast through the use of multiple sales forecasting techniques.
D) determine if the expert forecasting survey is superior to regression analysis.
E) assess the extent to which this year's sales forecast is more accurate than that of previous years.