Select the correct sequence of endocrine glands from the head downwards.

• A
  Pineal $\rightarrow$ Thymus $\rightarrow$ Thyroid $\rightarrow$ Pancreas $\rightarrow$ Gonads
• B
  Pineal $\rightarrow$ Thyroid $\rightarrow$ Thymus $\rightarrow$ Pancreas $\rightarrow$ Gonads
• C
  Pineal $\rightarrow$ Pancreas $\rightarrow$ Thyroid $\rightarrow$ Thymus $\rightarrow$ Gonads
• D
  Pineal $\rightarrow$ Thymus $\rightarrow$ Pancreas $\rightarrow$ Thyroid $\rightarrow$ Gonads