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Five valence electrons of $P^{15}$ are labelled as $\mathop {\boxed{AB}}\limits_{3s} \,\mathop {\boxed{X|Y|Z}}\limits_{3p} $ If the spin quantum numbers of $B$ and $Z$ is $ + \frac{1}{2}$ , the group of electron with three of the quantum number $(n, l, m)$ same are

• A
  $AB, XYZ, BY$
• ✓
  $AB$
• C
  $XYZ, AZ$
• D
  $AB, XYZ$