Gretel's Mother Sylvia Lives Alone

Gretel's mother Sylvia lives alone. Now that Sylvia is elderly, Gretel is worried that her mother may suffer serious injury from an accident. According to the text, what can Gretel do to help protect Sylvia?

A) Insist that Sylvia hand over her driver's license.
B) Sign Sylvia up for a medical alert service.
C) Make sure Sylvia has Internet, land line, and cell phone access.
D) Equip Sylvia's home with nonskid floors.