PN Containing Amino Acids and Dextrose Was Ordered and Begun

PN containing amino acids and dextrose was ordered and begun 24 hours ago for a malnourished patient.The nurse observes that about 50 mL remain in the PN container.Which action is appropriate at this time?

A) Infuse the remaining 50 mL,and then hang a new container of PN.
B) Hang a new container of PN,and change the IV tubing and filter.
C) Continue to use the same tubing and filter,and hang a new container of PN.
D) Clarify with the physician if the new PN also requires a tubing and filter change.