Which one of the following options gives one correct example each of convergent evolution and divergent evolution?

• A
  Eyes of octopus $\rightarrow$ Bones of forelimbs of mammals and vertebrates
• B
  Thorns of Bougainvillea and tendrils of Cucurbita $\rightarrow$ Wings of butterflies and birds
• C
  Bones of forelimbs of vertebrates $\rightarrow$ Wings of butterfly and birds
• D
  Thorns of Bougainvillea and tendrils of Cucurbita $\rightarrow$ Eyes of octopus and mammals