关于缺铁性贫血患者的表现，下列哪项不正确（）

A.感染发生率减低

B.口角炎、舌炎、舌 * * 萎缩较常见

C.胃酸缺乏及胃肠功能障碍

D.毛发无光泽、易断、易脱

E.指甲扁平，甚至"反甲"

By the time I got to the cinema,the movie _______ for ten minutes.

A．had begun

B．had been on

C．has started

D．has been on