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 simplify and explain the scientific method for kids [title] Discuss what the scientific method is. [step] The scientific method is a series of steps that scientists follow when thinking about a problem and how to solve it. It is how scientists study and learn about things. <sep> (A) By using the scientific method, they have ordered steps to follow that will help them better understand whatever they are studying. [substeps] The scientific method can be used to answer any question you may have about anything. (B) Explain this to your child after class or on lunch. [substeps] Consider discussing studies in a different time period such as the 19th century. (C) [substeps] It will be your journal research story. Tell your child about many books that illustrate scientific concepts and how to study them. (D) Biological concepts can be logically arranged, or they can be abstract concepts. [substeps] In the scientific method, researchers will agree the idea of chemical reactions because they think logically.
A