Upon Aspirating a Saline Lock Prior to Administering Intravenous Medication

Upon aspirating a saline lock prior to administering intravenous medication, the nurse notes that there is no blood return. What nursing action should be taken?

A) Slowly infuse 1 mL of saline into the lock, assessing for infiltration.
B) Pull the intravenous catheter out 0.3175 cm and attempt aspiration.
C) Reinsert the needle into the lock and aspirate using more pressure.
D) Discontinue this infiltrated lock and restart another site for medication administration.