Sentence Correction

The child psychologist suggests that the formation of social groups of young children,
like the adults who raised them, is based on common interests and hobbies.
(A) the adults who raised them
(B) that of the adults who raised them
(C) that among the adults who raised them
(D) they that raised the adults
(E) the formation of social groups of the adults who raised them

my doubt: will it be OK to use "like" as is done in option B? what role is "like" playing here in option B? is it "adjectival" OR "adverbial"?