Doris, an eighty$-$seven$-$year$-$old widow, collapsed while shopping at a store. She was taken to the Detroit city hospital by ambulance. She stayed there for fourteen days and was then transferred to another hospital, where she later died. She never regained consciousness. After she died, the hospitals and the ambulance company sued her estate to recover their expenses. Will Doris's estate be held liable for the medical bills?

a$.$ No$,$ because she could not have entered a contract while she was unconscious.

b$.$ No$,$ because there was no quasi contract.

c$.$ Yes, because there was an actual contract.

d$.$ Yes, because there was a quasi contract.