.

.Though he _________ the danger of drinking and driving ,he will have a couple of glasses of wine every day .

A  scared  to  B  became aware C  familiar with  D  is  aware of

病历摘要：患者，男性，50岁，头昏乏力1年多。血象特点：血红蛋白67g/L，红细胞2.6×10¹²/L，红细胞体积基本正常；网织红细胞数减少；白细胞34×10⁹/L，外周血片可见大量幼稚粒细胞。白血病待定。

T－ALL均呈阳性的白细胞免疫标志为（）

A.CD7

B.CD19

C.HLA-DR

D.CD33

E.TdT