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". 

[EX Q]: A gardener is shown trimming very tall bushes with a gas powered trimmer that he plugs in and gets ready. He turns a few dials and gets to cutting some more of the surrounding bushes. he <sep> (A) appears very happy with his efforts watching up close while clipping the very tall hedges that has a special effect. (B) trims up and down the length of them with precision and accuracy. (C) goes back and forth with the trimmer while still cutting the hydro leaves, trimming them with a hand cutting tool, cutting the bushes, and trimming them with a stone powered trimmer. (D) cuts straight through the beginning raking the leaves and an older man walks in and takes a look at the clipping.
[EX A]: B

[EX Q]: [header] How to avoid common glass tile installation mistakes [title] Ensure color consistency behind glass tile. [substeps] Since glass can be the sole material in an installation, it is essential to choose a bonding mortar that meets its unique demands. In most cases, the color of the thin-set mortar was not an issue when installing opaque ceramic tile. <sep> (A) But with clear and translucent glass, the mortar appears through the tile: if the color varies in the mortar, it will in the glass tile too. To eliminate variations across a glass tile installation, choose a glass tile mortar with a bright white shade that is controlled to a consistent standard color. (B) [title] Find a masonry solution solution as described in this article. [step] Masonry solutions used to be sold in commercial suppliers were expensive and less durable than those containing glazed portions. (C) [title] Check your online repair and installation guide for common glass tile installation recommendations. [substeps] If you cannot find the recommended measurements, consult the manufacturer's website or consult the recommended supplies list. (D) Spray glass tile debris on the glass tile before continuing. Rinse glass tile debris with water and wipe the water away.
[EX A]: A

[EX Q]: [header] How to choose commercial pest control [title] Get price quotes from a few different companies. [substeps] Call around and ask companies for price quotes. You can also ask for professional references. <sep> (A) Talk to least one, if not all, of your current competitors. Sales people will make quite a few error messages when buying from a bad company, and to get a good deal when purchasing from a company worth millions of dollars. (B) Any company that has been in business long and has a reputable history should be able to provide you with a list of satisfied commercial clients. [title] Check if the company and its technicians are fully licensed. (C) Companies that are highly-qualified and reputable can offer the best quotes. Ask at the finance office or talk to a local business owner. (D) Companies that do reviews may be willing to answer with less professional references. [title] Contact companies on a first-come, first-served basis.
[EX A]:
B