Spent is the most negative connotation.
Explanation:
Fatigued is to feel exauhsted.
Weary is lack of sleep, tiredness.
Tired is just a minimal drousy feeling.
And spent is as if your energy was all used up, consumed.
It would be A because the only thing the sentence needed was a subject and once you add mike to the sentence fragment, it becomes a sentence without changing anything besides the person who called and left a message
A.Simple
There is just a standard statement there, nothing complicated… it’s simple.
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"