The recommendation he gave me is that I ____ more traveling to open my eyes.

A．will do

B．could do

C．should do

D．must do

肾脏测量正常值（）

A.长6.0～9.0cm，宽3.0～5.0cm，厚4.0～5.0cm

B.长9.0～12.0cm，宽3.5～6.5cm，厚4.0～5.0cm

C.长12.0～15.0cm，宽5.5～7.5cm，厚4.0～5.0cm

D.以上各项均不是