Which best describes the underlined group of words?

Then it was time for Karla, my sister's best friend, to fly home. -------------------

A.
adverb phrase

B.
misplaced modifier

C.
appositive phrase

D.
adjective phrase

Question

Which best describes the underlined group of words? 

Then it was time for Karla, my sister's best friend, to fly home.                       -------------------
 
 A.
adverb phrase
 
 B.
misplaced modifier
 
 C.
appositive phrase
 
 D.
adjective phrase

anonymous · Answer

my sisters best friend is underlined

anonymous · Answer

@blueribbon8127 @ElonaSushchik @iGreen @khalilforthewin @NeonStrawsForever @Tootles143

anonymous · Answer

@iGreen @dan815