Given the task definition and input, reply with output. In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to make crustless quiche [title] Preheat your oven to 325 f (160 c). [step] Make sure that the baking rack is set in the middle. [title] Generously butter a 9-inch (22.86-centimeter) pie plate. <sep> (A) [step] Prepare the pie crust by greasing it with a little olive oil or by gluing the crust closed with parchment paper. [title] In a clean 2 gallon (3.775 liter) pie pan, bake for about five minutes. (B) [step] Roll out the butter and place it on the pie plate. [title] Measure out the whipping cream, sugar, milk, and eggs. (C) [step] This quiche doesn't have a crust, so you want to make sure that it won't stick to the pie plate. If you'd prefer individual servings, butter 4 to 6 ramekins instead. (D) [step] Prepare a side of the pie plate (or a large bowl, if working with pie) with a 2 1/2 quarts (1.9 l) water. [substeps] Apply butter to a 9-inch (22.86-centimeter) pie plate/bowl.
C