Which of the Following Sets of Quantum Numbers Refers to a 2s

Multiple Choice

Which of the following sets of quantum numbers refers to a 2s orbital?

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