Which of the Following Forms Is Phenobarbital Available In

Which of the following forms is phenobarbital available in?
I. Elixir: 20mg/5 mL
II. Pre-filled syringes (50 mg/mL in 2 mL syringes)
III. Suppositories (30, 120, 200 mg)
IV. Capsule: 100 mg
V. Tablets, timed release (100, 200 mg)

A) II and V only
B) I, II, III and IV only
C) III only
D) III and IV only