Which Response by an Adolescent During the Termination of Outpatient

Which response by an adolescent during the termination of outpatient substance abuse therapy indicates the need to reevaluate the treatment plan? The adolescent:

A) says, "I'm ready to get started, but I'm just a little worried."
B) becomes tearful, and the voice quivers while saying, "goodbye."
C) says, "I never thought I'd be sorry to stop coming here!"
D) writes a note sharing fears of relapsing once independent.