Charlie, a Toddler, Is Going to Take His Ferrous Fumarate

Charlie, a toddler, is going to take his Ferrous Fumarate. The order reads: 25 mg BID. The suspension conatins 40 mg/0.5 ml. The nurse should give:

A) 0.25 ml
B) 0.30 ml
C) 0.10 ml
D) 0.5 ml