I fried the prawns in oil , added salt and pepper . When they were just about to go golden brown I added garlic and freshly squeezed lime juice and a pinch of crushed chilli . So little chilli , that you ca n't know whether they were added or not .

Pick your answer from: [I] They spread them on a cookie sheet . [II] They laid them directly on the grill rack . [III] None of the above choices . [IV] They cooked them in a skillet .
Q: In what vessel did the narrator cook their prawns ?
[IV]