Which of the following reactions give phosphine $(PH_3)$?
$(i)$ Reaction of calcium phosphide with water
$(ii)$ Heating white phosphorus with concentrated $NaOH$ solution in an inert atmosphere
$(iii)$ Heating red phosphorus with alkali

• A
  $(i), (ii)$ only
• B
  $(i), (ii), (iii)$
• C
  $(ii), (iii)$ only
• D
  $(i), (iii)$ only