Answer:
A. that Sayuri is shy
Step-by-step explanation:
Sayuri who is originally from Japan and had shifted to a new place. She is a child, a eight year old child. And she had joined a new school in the her new neighbourhood where she is new to the school and new to the classmates. She will see unknown faces and will have to make new friends. So it is obvious that Sayuri feels shy and hesitate to interact with her new friends and teachers. She will not be open to them rather remain introvert for sometimes.
Therefore, option A is correct that Sayuri is shy.