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". 

[Q]: [header] How to bathe a pregnant guinea pig [title] Select a shampoo. [step] There are all types of shampoos for pets. For your guinea pig, make sure the shampoo is made specifically for small animals (it should say so on the bottle). <sep> (A) Otc shampoos and chemical shampoos are good choices. Avoid shampoo labeled specifically for guinea pigs and those formulated for females. (B) This way, both animals can use the shampoo and their fur will be clean. While many shampoos claim to free your guinea pig from " reye's syndrome ", this actually isn't true. (C) [substeps] Make sure that it is specially formulated for pregnancy-therefore not designed for your guinea pig. You can get shampoo from the veterinarian. (D) A small animal-specific shampoo will keep your guinea pig's skin from drying out or becoming irritated. Since your guinea pig is pregnant, the shampoo should also be non-medicated to prevent ingredients absorbing through her skin that could harm her unborn babies.
[A]: D


[Q]: A large group of people are seen moving around on exercise bikes. the group <sep> (A) kicks around one another while others watch on the side. (B) move together while the camera pans around. (C) moves around the road and jumps on and off the exercise bikes. (D) rides around, bumping into one another.
[A]: B


[Q]: [header] How to make chocolate covered brownie bites [title] Melt the butter and chocolate. [step] You should melt the butter and chocolate in a pot over the stove. Use a heavy sauce pan and melt the butter and chocolate over medium-high heat. <sep> (A) Watch the pot closely to make sure nothing burns. [substeps] It's a good idea to remove the butter while it's still somewhat solid. (B) This helps the butter soften and gives the brownie bites a really sweet and crunchy effect. [title] Dip the skewers in the melted butter. (C) Remove the pan from the heat immediately and set it aside for later. [substeps] Chocolate coated brownie bites differ in how they melt. (D) You can speed the process up as they're melting for faster melt-ins, or keep them in the freezer later. [title] Add the strawberry and strawberry radishes and stir fry for 2 minutes.
[A]:
A