d
\(\mathrm{NH}_3 \Rightarrow s p^3\) hybridised with \(1\) lone pair.

Structure will be Trigonal Pyramidal.

\(\mathrm{BrF}_5 \Rightarrow s p^3 d^2\) hybridised with \(1\) lone pair.

Structure will be Square Pyramidal.

\(\mathrm{XeF}_4 \Rightarrow s p^3 d^2\) with two lone pairs.

Structure will be Square Planar.

\(\mathrm{SF}_6 \Rightarrow s p^3 d^2\) with no lone pair.

Structure will be Octahedral.

\(A-I, B-IV, C-II, D-III\)