Multi-choice problem: Choose from the options at the end, and answer how do you do this: How do you keep homemade bread crusty?

a). To retain the freshness of crusty loaves of bread, store them unwrapped at room temperature. Once sliced, place breads in closed paper bags. To maintain freshness of soft-crust loaves, store in airtight plastic bags or wrap tightly in plastic wrap or foil and store at room temperature..
b). To retain the freshness of crusty loaves of bread, store them unwrapped at room temperature. Once sliced, place breads in closed paper bags. To maintain freshness of soft-crust loaves, store in airtight paper bags or wrap tightly in plastic wrap or foil and store at room temperature..
a).