元素周期表中铝元素的部分信息如图所示，下列说法正确的是（　　）

A．铝的元素符号是Ag

B．铝的原子序数是26.98

C．铝的核内质子数是13

D．铝在反应中易得到电子

Which of the following is the most appropriate activity for the nurse to assess motor strength for a neurologically injured client

A．Compare equality of hand grasps.

B．Observe spontaneous movements.

C．Observe the client feed himself.

D．Ask the client to signal if he feels pressure applied to his feet.