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 find a tutor [title] Be an informed consumer. [step] There is no such thing as " licensed tutor ". Such " licenses " come from the tutoring companies who hire tutors. <sep> (A) Search for a private tutor with experience and references rather than going with a tutoring company. Some tutoring companies hire inexperienced tutors and pay the tutors very little, but then charge you a very large fee. (B) Colleges and universities often offer tutoring services, but in order to stay in good financial standing, you will need to find a tutor yourself. If you have the money, there are free web sites that advertise tutors as well as resources to help students find their tutors. (C) While just taking one lesson first will help to boost your math knowledge and score, it will also not lead you to a graduate who cannot afford you to take them in. [substeps] That's why you must research potential tutors before signing up online. (D) There are many of them, but you're on your own if someone you don't know asks you about your background, qualifications, finances, and work. You don't have to own an asking ethical.
A