某病人感觉周围的一切都被笼罩了一层灰纱，失去活力，如同梦境，这种症状是

A．幻视

B．错觉

C．空间知觉障碍

D．时间感知综合障碍

E．非真实感

Jane Epworth, CFA, is preparing pro forma financial statements for Gavin Industries, a mature U.S. manufacturing firm with three distinct geographic divisions in the Midwest, South and West. Epworth prepares estimates of sales for each of Gavin’s divisions using economists’ estimates of next-period GDP growth and sums the three estimates to forecast Gavin’s sales. Epworth’s approach to estimating Gavin’s sales is:（）

A. inappropriate, because sales should be forecast on a firm-wide basis.

B. inappropriate, because sales are unlikely to be related to GDP growth.

C. appropriate.