How does Phoebe's mother show she is unhappy at supper?

A.
She cries when she thinks no one is looking.

B.
She excuses herself from the table and goes to her bedroom.

C.
When no one responds to what she says, she sighs and looks down.

D.
Whenever anyone talks to her, she looks off in the distance.

In the book Walk Two Moons by Sharon Creech