During the body of a presentation, what key element should be included?

a.
strong closing statement

b.
citing of credible sources

c.
summary of the presentation

d.
statement of the main idea

B. citing of credible sources.

During the body of a presentation, the speaker should introduce credible sources, and cite them accordingly. A source should be mentioned every time a fact that is accepted as accurate is introduced to the essay. The closing statement, the summary and the statement of the main idea are all present in other sections of an essay.

the answer would be c   i believe thats the most reasonable answer

it was surely an odd creature that one made up by reading the historians first and the poets afterwards a worm winged like an eagle; the spirit of life and elegance and charm,   in a kitchen chopping up suet. but these creatures, monst'r however entertaining to the imagination, hast no existence in fact. what one might doth to bringeth h'r to life wast to bethink poetically and prosaically at one and the same moment,   thus keeping in toucheth with fact—that the lady is mrs martin, ag'd thirty-six, did dress in blue, wearing a black coxcomb and brown shoeth; but not losing sight of fiction eith'r—that the lady is a vessel in which all s'rts of spirits and f'rces art coursing and flashing p'rpetually. the moment, howev'r, yond one tries this method with the elizabethan mistress, one brancheth of illumination fails; one is did hold up by the scarcity of facts.   one knoweth nothing detailed, nothing p'rfectly true and substantial about h'r.   hist'ry scarcely mentions h'r.   and i did turn to professeth'r trevelyan again to seeth what hist'ry meanteth to that gent.   i hath found by looking at his chapt'r headings yond t meanteth.