We _____ a light breakfast this morning. [ ]

A. have

B. will have

C. are having

D. had

下述关于流行性脑脊髓膜炎的描写，哪项是错误的（）

A.脑脊液中含糖量降低

B.血性脑脊液

C.脑膜刺激征

D.皮肤黏膜瘀点、瘀斑