D. Yours.
generally when writing a letter you put:
Yours truly,
(your name here)
which means that yours would be capitalized
The answer to this would be B, Hot, heavy air and jungle vegetation complicate the race.
There is supporting detail in this sentence and a plot.
Hope I helped.
-Davismr00.
(What I think is the) answer:
How someone talks of something through their perspective.
Explanation:
With a colleague (workplace mate) you'd talk from a professional standpoint but if you were to talk with a friend you'd speak more casually about stuff.
