Correct option is B
Hearse: A vehicle used to transport a coffin to a funeral or burial.
(श्मशान वाहन)
Example: The hearse moved slowly towards the cemetery.
Meanings of the given other options:
Coffin: A box in which a dead body is buried. (ताबूत)
Ambulance: A vehicle for transporting the sick or injured. (एम्बुलेंस)
Corpse: A dead human body. (लाश)