After Preparing the Skin for IV Catheter Placement,the Nurse Decides

After preparing the skin for IV catheter placement,the nurse decides that the vein needs to be palpated before introducing the catheter.How should the nurse perform this action?

A) Palpate the vein with the clean gloved hand.
B) Palpate the vein and then cleanse the skin again.
C) Apply sterile gloves before palpating the cleansed skin site.
D) Apply skin cleanser to the gloved fingertip before palpating the vein.