A: My apartment is only 10 minutes’ walk from the office. Why don’t you drop by some timeB: ().

A. Because I didn’t know you live so close by.

B. Because I didn’t want to bother you.

C. I’d love to. Can I take my roommate along

D. That’s OK. I’ll be there soon.

患者，女，15岁。发热伴皮肤黏膜出血，头痛、恶心呕吐2周，全身淋巴结肿大，肝、脾大。血红蛋白70g/L，白细胞16×10⁹/L，血小板45×10⁹/L。骨髓原始细胞增多，过氧化酶染色阴性，糖原染色阳性，呈颗粒状，CSF潘氏反应阳性。最可能的诊断是（）

A.结核性脑膜炎

B.急性淋巴细胞性白血病

C.急性淋巴细胞性白血病合并脑膜白血病

D.传染性单核细胞增多症

E.急性粒细胞性白血病