Kahlen Used to Send Her Grandmother Letters Every Day,which Her

Kahlen used to send her grandmother letters every day,which her grandmother dearly loved.Now she only sends them every once in a while.What can we expect in terms of her grandmother's behavior?

A) She will begin to check her mail only once a week.
B) She will continue to check her mail,but only occasionally.
C) She will continue to check her mail every day.
D) She will stop checking her mail.