Based on the given sentence above, the correct answer for this would be the third option. Basing on the point of view of the speaker, we can say that it is in the third person in which he/she means of Akiko. Since Akiko is only one, this is considered as singular. Hope this answer helps.
Answer:
Hello There!!
Explanation:
After I posted the letter I realised that I wrote the wrong address on it.(it's all past tense)
hope this helps,have a great day!!
~Pinky~
