The hypothetical situation is-: (A) Police inquest, (B) Magistrate inquest, (C) Dying declaration, (D) Dying deposition
Answer is D. Dying deposition is the statement of a person on oath, recorded by a magistrate.

In the presence of the accused or his lawyer.
The lawyer is allowed to cross-examine the witness.
This procedure is not followed in India.
Such a situation is so-called hypothetical as it is practically very difficult to achieve or virtually impossible.