Answer and Explanation:
Since the author uses I and uses first person - type language, and sites his sources in the passage, the answer would be D.
D. First person Reliable
This is because he uses I, we, me, etc. in his passage, and he sites sources and where he gets his evidence from, making him reliable.
<em><u>#teamtrees #PAW (Plant And Water)</u></em>
In A: it should be "I was" not "I were".
In B: it should be "lately you appear" not "you appears"
in C: this is correct! the subject is in agreement with the verb, and this is the correct answer.
in D: it should be "you are"
