This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to make pumpkin chiffon pie with graham cracker crust
Grease an 8 or 9 inch (20. 3 or 22.9 cm) pie pan.
Melt 6 tbsp butter.
Add 1 1/2 cups crushed graham crackers , 1/4 cup sugar, and 1/2 tsp cinnamon.

Available choices:
[a]. Stir in melted butter until well blended. Press mixture thinly and evenly into pie pan.
[b]. ( cumin and coriander). Add 4 cups hot water to a large saucepan.
[c]. ( and even if it's candied, stir it gently with your spatula. ( for best results ) Add 3 tbsp vanilla and 1/4 cup water.
[d]. ( or agave syrup to taste) and 2 cups crushed chocolate (preferably unsweetened). Mix these ingredients well with the pan top.
The answer is:
[a].