Choose the correct statement from the following:
$(i)$ Beryllium is not readily attacked by acids because of the presence of an oxide film on the surface of the metal.
$(ii)$ $BeO$ is an amphoteric oxide.
$(iii)$ Beryllium exhibits coordination number more than four.
$(iv)$ Beryllium oxide is purely acidic in nature.

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