An electron is in one of the $3d$ orbitals. Give the possible values of $n, l,$ and $m_l$ for this electron.

• A
  $n=3, l=2, m_l=-2, -1, 0, +1, +2$
• B
  $n=3, l=1, m_l=-1, 0, +1$
• C
  $n=3, l=0, m_l=0$
• D
  $n=2, l=2, m_l=-2, -1, 0, +1, +2$