Concept:
Prabandha was an ancient structured musical composition.
Its structure was described through dhatus, angas and jatis.
Step 1: Check Dhatus.
Prabandha has four dhatus.
So, A is correct.
Step 2: Check Angas.
Prabandha has six angas.
So, C is correct.
Step 3: Check Jati.
Prabandha has five jatis.
So, D is correct.
Step 4: Check other statements.
Ten pranas are related to tala theory, not directly to Prabandha in this classification.
Ten Margina is not accepted here as a structural part of Prabandha.
So, B and E are incorrect.
Step 5: Final conclusion.
The correct statements are:
\[
A,\ C,\ D
\]
Hence:
\[
\boxed{\text{(A) A, C and D only}}
\]