Which line best suggests the speaker no longer identifies as her former self?

Responses
A I went into a room a young one who didn’t knowI went into a room a young one who didn’t know
B These changes are big, I’m filled with fears and gleeThese changes are big, I’m filled with fears and glee
C I emerged and I am someone else, I have to goI emerged and I am someone else, I have to go
D My father is not prepared to leave the cloak that fell

C I emerged and I am someone else, I have to go