Which uses a formal tone most appropriate to a research paper?
a.) in this paper, i will provide a fascinating explanation of the impressive advancements in cell phone technology.
b.) this paper will examine recent advancements in cell phone technology made by dr. william hazlitt.
c.) this paper will examine the fascinating and life-altering advancements dr. william hazlitt has made in cell phone technology.
d.) this paper will show how lucky we are to benefit from the advancements in cell phone technology made by
dr. william hazlitt.