Teacher: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".
Teacher: Now, understand the problem? Solve this instance: [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.
Student:
B