Luckily, Smith brought a map, __________ we would have got lost.

A．that

B．of which

C．without which

D．which

下运动神经元瘫痪特点不正确的选（）

A.肌张力增高

B.病理反射阳性

C.腱反射减退

D.痉挛性瘫痪

E.键反射消失