Why does Fortunato fail to realize he is in the catacombs rather than the wine vault? from Cask of Amontillado

Look at these frames from iqbal. which best describes the author's purpose in these frames of iqbal? to describe to the reader what happened at the wedding to show iqbal's pain and confusion after his debt increased to inform the reader about how iqbal escaped from the factory to persuade the reader to pay off the debt of child laborers mark this and return