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]: We see a person sharpen a knife on a sanding disc. The person touches it and turns it off. The person turns it on and then off off. we <sep> (A) see the person sharpening the knife on a cookie sheet. (B) see a man run in slow motion. (C) then see the title screen. (D) see the man talking to the camera.
[A]: D

[Q]: We see a lady and a girl on a raft on a snowy hill. The lady and a man push people down the hill. the people <sep> (A) slide in rafts down the hill. (B) are riding canoes and going on fishing trips. (C) ride down hill on their skateboards and the camera watches them. (D) are then seen skiing down the mountain.
[A]: A

[Q]: [header] How to hook up a trailer [title] Raise your trailer tongue ball socket or coupler to a height to clear the ball. [title] Line up the center of your vehicle with the center of your trailer. [substeps] Use a jack attached to the tongue. <sep> (A) If using a cow hitch or bike trailer, use a boat jack. [title] Connect your hitch to the pulley. (B) [title] Pull the tongue ball at the right length and angle of your trailer. [title] Stop moving so that the tongue ball extends completely. (C) Be sure to jack up enough so you have enough clearance so you do not hit the trailer. [title] Stop the vehicle once the tongue coupler is over the ball. (D) Your second drill bit will be used to relieve a reasonable gap between the tongue and your driver side bodywork. [title] Squeeze the drills using a normal (but not hurting) motion until the drill is complete.
[A]:
C