單項(xiàng)選擇題患者,女,42歲。3年來(lái)月經(jīng)量多,每次行經(jīng)7~8天,經(jīng)色先紅后淡,經(jīng)后小腹隱痛,面色淡白無(wú)華,納少,稍多食即感腹部脹滿,氣短,神疲乏力,大便正常,舌淡苔薄白,脈沉細(xì)無(wú)力,其證候是()

A.氣血兩虛證
B.脾不統(tǒng)血證
C.心脾兩虛證
D.沖任虛寒證
E.脾腎氣虛證