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 choose a secondhand engagement ring [title] Visit a respected local jeweler. [step] Some jewelry stores carry a selection of secondhand or vintage engagement rings. Research local jewelers to find a trustworthy shop in your area. <sep> (A) Use the store's contacts to carefully inspect the rings and design design, but ask the jeweler if there are any indication that they intend to sell them. [title] Ask friends or family members who have similar ring engagement rings. (B) Alternately, ask your friend or family representative if they know of any reputable appraisers in their area. [substeps] Different shops will be exclusive, so ensure that the jeweler you seek matches your ring to that of your friend or family member. (C) [title] Look for a good price and type of ring you want. [step] Don't be picky when choosing online. (D) Consider how long the business has been open and ask friends or family if they are familiar with the business. A reputable jeweler will typically have an in-house gemologist and repair and resizing services.
D

[header] How to wear rings [title] Use a ring-sizer to find the appropriate size for a ring. [step] Ring-sizers are plastic sheets with a variety of different sizes on them, which you can slide your finger into to find an appropriate fit. These are available at every jewelry counter for sizing rings. <sep> (A) [substeps] Your ring should fit your finger comfortably. It needs to be snug enough so that it stays on, but loose enough to slide off at the knuckle. (B) Use your ring-sizer to find a size that fits your finger size-which sounds easy. [substeps] A ring size 14-inch (27.6 cm) is approximately the ideal size, though it can add a mature look to a ring. (C) Many rings, especially those with 3 or more sizes, will fit comfortably onto your ring. [substeps] You can also do this freehand by simply finding a ring-sizer with a similar size. (D) When one is worn, do not buy one with rounded sides. This is likely to break or splinter, and it will probably have uva, bva, and uvb features of the ring.
A

[header] How to measure the size of a tv screen [title] Place the tape measure or measuring stick in the lower left hand corner of the tv's screen. [title] Be sure to start measuring where the actual screen begins, not from the plastic frame of the tv (known as the bevel). [title] Extend your tape measure or measuring stick to the upper right hand corner of the tv screen (diagonally from where you started). <sep> (A) [title] Count the number of inches on the left hand side that is the length of the outer frame of the tv. [step] If the number is ten inches, multiply that by two. (B) [step] Use a 3ds or millimeters. [title] Stick the measuring tip of your tape measure to the left hand corner of the tv's screen. (C) [title] Record the length between these two corners. [step] This is the screen's size. (D) [title] Measure the depth of the tv screen, not just its height. [title] Set your station to measure the width and shape of the screen itself, in inches.
C