Which statement demonstrates appropriate communication techniques by the student nurse in ...

Which statement demonstrates appropriate communication techniques by the student nurse in maintaining a therapeutic relationship with the client?
 
  a. I need to ask you a lot of questions about your health so that I can complete my paperwork.
  b. I want you to use your incentive spirometer at least Q2H while awake, to deep breath and cough. You can call me if you need any help.
  c. I'll need to get a blood sample from your finger, in order to check the amount of sugar in your blood.
  d. I'm wondering if you knew that your doctor had scheduled you for a test tomorrow? You don't have any questions about the procedure, do you?