In the Event of a Trace Element National Shortage, Which

In the event of a trace element national shortage, which of the following would be acceptable?

A) Discontinue trace elements from all pediatric PN solutions
B) Check daily for biochemical and physical signs of deficiency and provide trace elements once patient exhibiting deficiency
C) Provide enteral trace elements when medically able, and reduce parenteral trace element provision to twice weekly
D) Continue to provide trace elements daily in all pediatric PN solutions until trace element supply exhausted