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 avoid the stomach flu [title] Wash your hands often. [step] Wash your hands carefully with soap and water for at least 20 seconds. Always wash your hands after going to the washroom and before and after handling food and eating. <sep> (A) Washing your hands is important, since if the way you handle and eat is bad (germs, bacteria, etc. ), your best chance at preventing the flu is by keeping your hands clean. (B) Don't attempt to dry or clean your hands on something other than a business table. [title] Wear long pants (not utility pants to wear running shoes with). (C) [substeps] It's a good idea to wash your hands between-and as many times as you go to the bathroom. This will help prevent an episode of nausea in the future, as well as allow your body time to shut down its internal defenses to fight off food, germs, and viruses. (D) This will help to prevent the spread of germs. Germs on your hands can get into your eyes, ears, and nose and make you sick.
D

A woman introduces that she will make a salad. She starts by taking a hand mixer and mixing several ingredients together to form a dressing. then <sep> (A) she adds hot chocolate syrup and water to the mixture. (B) , she adds the additional ingredients together with some cous cous and mixes everything together. (C) , she squeezes into a pot and put some chopped parsley and garlic in it. (D) she adds other ingredients, mixing the salad, followed by slicing the chocolate into slices.
B

The man moves the camera and adjusts the position and then walks back to the van begins cleaning the snow off of the entire top of the van. the man <sep> (A) then gutters the snow on the roof abandoned by the van and it drifts up. (B) is now inside of the van and just driving around making the snow look like a science experiment. (C) does not exit the vehicle. (D) walks back to the camera and moves it once more so it can capture a different view and he continues to wipe the snow off of the side and top of the van.

D