Choose the incorrect sentences for chloroplast.
$(1)$ The chloroplast membranous system consists of grana and the fluid stroma.
$(2)$ Pigments are present in the stroma.
$(3)$ In the stroma,enzymatic reactions incorporate $CO_2$ into the plant,leading to the synthesis of sugar.
$(4)$ Light is not required for the formation of sugar in the stroma.

• A
  $(1), (2)$ and $(4)$
• B
  $(2)$ and $(3)$
• C
  $(3)$ and $(4)$
• D
  $(2)$ and $(4)$