Concept:
Mauryan pillars are famous for their polished stone surfaces and animal capitals.
Different animal capitals are associated with different Ashokan pillar locations.
Step 1: Match Elephant Capital.
Elephant capital is associated with Sankisa.
So,
\[
A \rightarrow II
\]
Step 2: Match Lion Capital.
The famous Lion Capital is associated with Sarnath.
So,
\[
B \rightarrow I
\]
Step 3: Match Bull Capital.
Bull Capital is associated with Rampurva.
So,
\[
C \rightarrow IV
\]
Step 4: Match Horse Capital.
Horse Capital is associated with Rumandai.
So,
\[
D \rightarrow III
\]
Thus, the correct matching is:
\[
A-II,\ B-I,\ C-IV,\ D-III
\]
Hence:
\[
\boxed{\text{(A)}}
\]