<span>A complex sentence contains a subordinate clause or clauses: So, A is correct.</span>
1.be (a part) of a whole.
"single parents constitute a great proportion of the poor"
synonyms: amount to, add up to, account for, form, make up, compose, comprise, represent
"farmers constituted 10 percent of the population"
2.
give legal or constitutional form to (an institution); establish by law.
synonyms: inaugurate, initiate, establish, found, create, set up, put in place, start, begin, originate, form, organize, develop, shape; More
The metaphor of line 20 emphasizes the exquisite beauty of springtime in England by comparing springtime in Italy to buttercups. The poem is "Home Thoughts From Abroad"<span>, and the author is Robert Browning. In this poem he misses his home dearly.</span>
The author’s use of the description of nature is typical of a poem written during the Romantic Era.