Yes B is the right answer, to produce a catharsis you are changing the emotion of the readers to show empathy.
I had begun by tracing the Japanese characters with a pencil.
*begun is a past participle
Answer:
A thesis statement is a short, usually one sentence-long claim written near the beginning of your paper, which serves as a point of reference, a roadmap or a compass for the whole paper. It's written immediately after the topic is introduced and declares the stance you're going to take on it
This could be many things, but maybe postpone?