Blog writing does not merely help in refining one's writing skills but also in giving an exposure to one's self and surroundings which helps an individual to grow both personally and professionally. It helps in reflecting and highlighting important events and changes in society. It also helps the blogger to promote one's viewpoint and build some recognition among the readers which would further create opportunities for him/her. <em>The rest of the options do not suggest any purpose to write a blog. To publish one's academic research, blog writing is not mandatory at all. Then, neither the entertainment of readers nor to showcase the formal, rigid writing to them is the purpose. It may or may not help to connect with friends. Thus, these are the two.</em>
The answer is D because each story involves the topic of knowledge and good doesn't overcome wickedness in each story. Choices A and C doesn't even relate to any story listed. Therefore, D is the best answer.
