The Thinker, head in hand, resting his right arm on his left knee, gained its current title when ______ in Paris in 1890.

A．exhibiting

B．exhibited

C．was exhibited

D．being exhibited

患者男，32岁，因高处坠落致腰背部疼痛、活动受限，双下肢感觉、运动障碍4小时入院，拍X线片示胸11椎体骨折。

脊髓损伤后瘫痪程度用Frankel评分法可分为几个等级？（）

A.3级

B.4级

C.5级

D.6级

E.7级

F.8级