Answer:
D. By adding more evidence
Step-by-step explanation:
Writing a piece is an art, a skill. Not every person can create a good piece of writing. It requires a lot of knowledge, vocabulary, skills and information to develop a good writing. It also requires a lot of practicing.
A writer can develop his writing skills and improve his development and ideas by providing more evidences on the topic and the statistics that is correct nd true. The readers often tend to believe if we provide more of evidences in our writing. It improves our writing skills and also supports the main idea clearly in the topic.