answer; ////i believe its comparisons you to see your strengths and weaknesses; ///////////
adjective. unreasonably obstinate; obstinately not moving: a stubborn child. fixed or set in purpose or opinion; resolute: a stubborn opponent of foreign aid.
the correct answer is - d. choka.
the japanese literature is a rich one, it has multiple different forms, defined by length, structure, theme. one of the forms of japanese literature is the choka, which is a version of waka.
the choka consists of alternating lines of five and seven syllables, ending with an extra line of seven syllables. this is a long form of japanese poetry, and there's no rule as to how long should a choka be, its length can be infinite. no wonder that very often a choka can be long as much as 100 or 150 lines, occasionally even more.