Answer:
B is the answer..... May it will be helpful to you
The correct option is this: WRITING IS DIFFICULT BECAUSE SO MANY SKILLS ARE INVOLVED.
A topic sentence refers to the sentence which expresses the main idea of the paragraph in which it occurs. The topic sentence is usually the opening sentence in the paragraph; the other sentences in the paragraph just serve to support the topic sentence.
"In the Youngest Son", the doctors son has a paper silhouette. The correct answer is paper.
