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 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.
D

[header] How to make a mimosa bar [title] Choose a few types of sparkling wine. [step] No mimosa is complete without the bubbly. Start by selecting a few types of sparkling wine for your bar to accomodate different tastes and mix with different juices. <sep> (A) Dijon has 5 glasses : 1 glass white , 1 glass sparkling wine , 1 glass light rum and 6 glasses of bubbly. Different juices add different flavors, but not an exact science. (B) [substeps] Sparkling wines, like cabernet sauvignon, champagne liqueur, or wineries, tend to have a more tart sense. Sparkling wines, like white wine, are versatile and can become cold easily. (C) Try wines like : [substeps] A cava or brut for a dry taste prosecco for a light but sweet flavor champagne for a rich and creamy flavor sparkling rosé for floral and fruity notes [title] Figure out the amount of wine you need. [step] The average bottle of sparkling wine is enough to make about six to eight mimosas. (D) [substeps] Reds, sudafed red, and a third color (one or more a grape have) will combine well and produce the mimosa. Red may have slightly acidic undertones so it improves the sweetness of both waters.
C

[header] How to change windows xp home to windows xp professional [title] Enable the features found in windows xp professional on your windows xp home edition installation with this hack. [step] It will allow you to turn your windows xp home cd into a windows xp professional cd. [title] Copy the root directory and the i386 directory of the windows xp cd to your hard drive. <sep> (A) [step] You have to be legally licensed to install windows xp-like programs, so make sure you get that jurisdiction here. [title] Once you have copied the root directory into your hard drive, extract the i386 directory from the drive. (B) [step] Again, use the same address as before to make your case. [title] Right click on the drive that you wish to save your new windows xp home to and select properties-] properties from the dropdown menu. (C) [title] Extract the boot sector of your windows xp cd. [title] Click start--] run--] regedit [title] Highlight hkey _ local _ machine [title] Click file--] load hive and select the setupreg.hiv file. (D) [step] You can easily add the other components by browsing on the internet. [title] Install windows xp professional cd-rom on your windows xp computer once you complete the installation.

C