Detailed Instructions: 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".
Problem:[header] How to cook vegetarian pasta [title] Heat the oven to 450 f (230 c). [step] It takes a while for ovens to reach this high temperature, so get it preheating while you are preparing the vegetables. [title] Mix the vegetables. <sep> (A) [step] Place all of the ingredients except the pesto in a large mixing bowl and stir them together with a whisk until they're fully combined. Transfer the mix to a bowl, and pour in the tomato sauce. (B) [step] Sprinkle the garlic and olive oil over the vegetables with a colander or strainer, or paring knife. [title] Stir in the onions, garlic quarter, and cheese. (C) [step] Spoon about 1 cup (237 ml) of water (more if it is soaked) into a large mixing bowl. Use a wooden spoon to stir the vegetables with the water. (D) [step] Combine the mushrooms, broccoli, spinach, pepper and onion in a large bowl. Sprinkle 1 tablespoon (15ml) of the olive oil over the vegetables and mix well to make sure everything is coated.
Solution:
D