With that information ____, I sought out Douglas Smith, director of the Center for Brain Injury and Repair at the University of Pennsylvania.

A．in hand

B．in the hand

C．in hands

D．in the hands

心脏触诊检查震颤，通用的正确手法是用

A．全手掌

B．手掌尺侧

C．手掌桡侧

D．2～4指指腹

E．拇指指腹