Which Set of Quantum Numbers Could Be Correct for the Highest

Multiple Choice

Which set of quantum numbers could be correct for the highest energy electron in lead, Pb?

A) n = 5, $l$ = 1, m_l = 0, m_s = -½
B) n = 5, $l$ = 2, m_l = -1, m_s = +½
C) n = 6, $l$ = 1, m_l = 0, m_s = -½
D) n = 6, $l$ = 1, m_l = 2, m_s = +½
E) n = 6, $l$ = 2, m_l = 0, m_s = -½