In which sentence is the plural possessive of flower formed correctly?
ASome of those flowers's petals have fallen off.
BSome of those flower's petals have fallen off.
CSome of those flowers’ petals have fallen off.
DSome of those flowers petals have fallen off.
ASome of those flowers's petals have fallen off.
BSome of those flower's petals have fallen off.
CSome of those flowers’ petals have fallen off.
DSome of those flowers petals have fallen off.