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".

A person is seen shaving the head of a person seen in a chair in front of him. The person brushes off his hair and then signs his name on a piece of paper. more men <sep> (A) are seen shaving their heads and one speaks to the hair stylist on what he wants. (B) are seen speaking to the camera and leads into a clip of a man walking on a slack line. (C) are seen being dressed up as barber ladies and speaking to a woman in front of a mirror. (D) are seen into the camera as they talk to one another and lead into a man getting a tattoo on someone's leg.
A

[header] How to choose a protein supplement [title] Choose whey protein to build muscle. [step] If you're looking for muscle-building protein, whey protein is generally your best option. Whey protein can come in the form of powder or pills and is commonly used when people are trying to build muscle via things like weight training programs. <sep> (A) By doing this, you're gaining more body fat and growing more muscle at the same time. [substeps] Whey protein can be found in half of the packaged foods. (B) Whey protein is also a low-fat protein, rich in red blood cells from bacteria. Although whey protein does not impart healthy fats to the body, whey protein helps build muscle, which you can grow and burn through exercise. (C) [substeps] Look for a whey protein powder or supplement with a high biological value. This measures how well your body can absorb the protein. (D) Whey protein occurs as a food chain, hence the slogan, " protein is fat free ". [substeps] Whey protein is complex and varies from patient to patient.
C

[header] How to make a jewelry tree [title] Choose your vase. [step] Find a vase online, a thrift store, or home and garden retailer. The opening should be narrow to support your branches. <sep> (A) The flower heads should protrude into the vase, and the flowers must be bigger than you are. [substeps] Simply pull the inside (ie: make a u-shape) of the vase upside down and pull the flowers from the center. (B) [substeps] The vase should offer vertical access to the trunk. The canopy is what keeps your tree off of ground. (C) [title] Using the pointy end of a plant or herb, position the base in the center of the vase. [step] Lay the branches vertically in the vase. (D) The height will also play a factor in which branches you will be using. [substeps] Choose a colour that compliments the palette of your room or that will highlight your jewelry.
D