Mr. Smith was _______ of the _________ speech.

A．tired; boring

B．tiring; bored

C．tired; bored

D．tiring; boring

节段型分布的痛温觉障碍，无深感觉和触觉障碍，病变部位在（）

A.后根

B.后角

C.脊髓丘脑侧束

D.脊神经节

E.脊髓丘脑前束