C.The narrator is the writer
yesterday his mobile phone got lost
Answer:
Their = to show ownership
There= Showing where something is. (i.e. "Its right there!"
They're= As in "They are"
Explanation:
WHOMEVER the seniors elect will as the president of the class.
WHOEVER the seniors elect will serve as the president of the class.
The answer is whomever, it just sounds better and more proper than whoever. Hope this helps!