Which sentence uses only the ’s genitive in a grammatically correct and natural way?
Ⓐ My students' parents' feedback was very detailed.
Ⓑ My student's parents feedback were very detailed
Ⓒ My students parents' feedback was very detailed.
Ⓓ The parents' of my students feedback was very detailed.
Ⓔ My students' parents feedback's was very detailed.