While performing rounds, a nurse finds that a client is receiving the wrong IV solution. The nurse’s initial response should be to（）

A. remove the IV catheter and call the physician.

B. write up an incident report describing the mistake.

C. slow the IV flow rate and hang the appropriate solution.

D. wait until the next bottle is due and then change to the proper solution.

建立电子商务的基本模式的内涵是什么？