Name the whorls of a flower from the inside to the outside.

• A
  Gynoecium $\rightarrow$ Androecium $\rightarrow$ Corolla $\rightarrow$ Calyx
• B
  Calyx $\rightarrow$ Corolla $\rightarrow$ Androecium $\rightarrow$ Gynoecium
• C
  Corolla $\rightarrow$ Calyx $\rightarrow$ Androecium $\rightarrow$ Gynoecium
• D
  Gynoecium $\rightarrow$ Androecium $\rightarrow$ Calyx $\rightarrow$ Corolla