It is answer d. around forts is the adverb phrase and it modifies built
Here is how you could start the paragraph. Tiger is a National animal of India. It has been declared as the national animal of country because of its royal look. It is very famous and strong animal known for its grace, power and agility. It is an Asiatic carnivorous animal zoologically named as Panthera tigris. There are various species and subspecies of the tigers are found all over the world. You may also contact the writers from Prime-Writings and let the,m guide you.
<span>Through a highly elaborate comparison, Emerson reflects on the relationship between the poet and the poet's work. The poet is under the care of nature, just as a mushroom is. A mushroom grows wild, with no one to ensure that it propagates and survives; nature, however, sees to it that the fungus drops spores, which become new mushrooms. These spores are comparable to poems leaving the poet's control and going out into the world like immortal descendants, a process much like the Olympian bards' eternally young songs from the epigraph. </span>