Choose the correct statement.

• A
  Chlorophyll-$a$ is soluble in petroleum ether and shows maximum absorption peak at $453 \ nm$ and $642 \ nm$.
• B
  In chlorophyll-$b$,$-CH_3$ replaces $-CHO$ at $3-C$ of chlorophyll-$a$.
• C
  Chlorophyll-$b$ is soluble in methyl alcohol and shows maximum absorption peak at $429 \ nm$ and $660 \ nm$.
• D
  For biosynthesis of chlorophyll,raw materials required are succinyl $CoA$ and glycine.