Detailed Instructions: 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: [header] How to become a home improvement contractor [title] Accumulate work experience in residential construction. [step] As a home improvement contractor, you'll be expected to handle every aspect of a homeowner's renovation project. The best preparation for this expectation is to accumulate experience working in construction. <sep> (A) Working professionally as a home improvement contractor may entail assembling and repairs clients, finding potential owners, and mastering basic raw materials and building trends. [substeps] Most homeowner's projects are made from materials like concrete block, wood shavings, and mortar. (B) That includes working in your home's building codes, completing online presentations, teaching documents, evaluating insurance policies, building codes, and organizing transactions. While you don't need to already have leadership or experience in one area before taking the plunge, professional consultant skills may appear and come further. (C) Options include working as a carpenter for a large general contractor and working as an assistant to an established home improvement contractor. Aim to earn at least 5 years of relevant work experience before trying to start your own business. (D) You may not need to have any real training in construction, but you should at least be familiar with the details that come with the project before agreeing to work as a home improvement contractor. [substeps] Talk to your city or county's construction department about education and industry credentials in construction.
A:
C