Identify the correctly matched pairs of the germ layers and their derivatives.
$I.$ Ectoderm - Epidermis
$II.$ Endoderm - Dermis
$III.$ Mesoderm - Muscles
$IV.$ Mesoderm - Notochord
$V.$ Endoderm - Enamel of teeth

• A
  $I, III, \text{ and } IV \text{ only}$
• B
  $I, II, III, \text{ and } V \text{ only}$
• C
  $I \text{ and } IV \text{ only}$
• D
  $I \text{ and } II \text{ only}$