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 know if you have glaucoma [title] Schedule regular eye exams. [step] Open-angle glaucoma leads to the gradual deterioration of your vision over an extended period of time, usually years. Most people suffering from open-angle fail to notice symptoms until the glaucoma is very advanced and nerve damage has occurred. <sep> (A) [substeps] Glaucoma is usually attributed to a condition called retinopausal glaucoma. Doctors often refer patients with retinopausal glaucoma to psychotherapy or therapy. (B) The overall diagnosis is: glaucoma can present in two patterns: primary and secondary. Secondary glaucoma reverses almost any natural condition and the simplest way to identify glaucoma is to get three to four eye exams in a normal week. (C) [substeps] It is important to schedule eye exams every year, especially if you are over the age of 40 or have a family history or glaucoma. Open-angle is the most common type of glaucoma in the united states, affecting over 2 million people. (D) Checking your eye closely is often the first step to identifying the signs of open-angle glaucoma. [substeps] Schedule a yearly eye exam using a variety of tools.
C

[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 look and feel your best every day [title] First, take a shower. [step] You sweat while you sleep and that makes you stink. Use a good smelling soap and be sure to shave your underarms and legs if it's necessary. <sep> (A) Then you can tone down your body with a warm shower and shave. [title] Build up on your favorite facial exfoliants/masks. (B) Afterwards, you're good to go! [title] Your face? [step] When you get out of the shower, now you've got to do one more gentle face wash. Little bubble bath, add a few drops of shampoo and a pinch of sea salt to make your skin better. (C) Use shampoo and conditioner, but not too much conditioner. [title] Once you get out, check to see if your eyebrows need any plucking. (D) Put a loofah on your underarms-wear it all the time as it's soft and helps to smooth and highlight your face and body. [title] Make sure your hair is styled appropriately.
C