Protein Stability - Medical Science

Q1:

Which of the following is the most correct?

A Charged amino acids are never buried in the interior of a protein

B Charged amino acids are seldom buried in the interior of a protein

C All hydrophobic amino acids are buried when a protein folds

D Tyrosine is only found in the interior of proteins

ANS:B - Charged amino acids are seldom buried in the interior of a protein

Answer should be D. How the answer is B. Can you explain it?