女性患者，27岁。1周前患“感冒”，1d前开始背部疼痛，继而出现肢体麻木，双下肢瘫痪，尿潴留。查体：T₄节段以下深、浅感觉消失，双下肢肌力1级，腱反射对称，双侧Babinski征阳性。考虑诊断为

A．吉兰-巴雷综合征

B．急性脊髓炎

C．脊髓粘连性蛛网膜炎

D．视神经脊髓炎

E．脊髓空洞症

—Does your uncle still smoke?

—He ____________given it up. It’s two years ever since he ____________.

A．can’t have; smoked

B．may have; smoked

C．should have; has smoked

D．should have; didn’t smoke