Pastry Chefs Might Sprinkle Crumbs on the Bottom of Tart

Pastry chefs might sprinkle crumbs on the bottom of tart shells before baking when they ____________________________________.

A) use meringue tart shells
B) want to prevent the tart shells from puffing and blistering
C) fill the tarts with juicy fruits
D) plan to glaze the tarts when they are finished baking