Which of the Following Sets of Quantum Numbers Refers to a 4f

Multiple Choice

Which of the following sets of quantum numbers refers to a 4f orbital?

A) n = 4, $\ell$ = 1, $\mathrm{m}_{\ell}$ = 0,m_s = + $\frac{1}{2}$
B) n = 4, $\ell$ = 2, $\mathrm{m}_{\ell}$ = -1,m_s = + $\frac{1}{2}$
C) n = 4, $\ell$ = 3, $\mathrm{m}_{\ell}$ = ?2,m_s = ? $\frac{1}{2}$
D) n = 4, $\ell$ = 4, $\mathrm{m}_{\ell}$ = 0,m_s = + $\frac{1}{2}$
E) n = 4, $\ell$ = 4, $\mathrm{m}_{\ell}$ = ?4,m_s = + $\frac{1}{2}$