The only problem I have with Sue is her development , as I mentioned she does n't talk much ( barely anything I woud say ) . I try to encourage her , I talk to her as much as I can , I point things out , I explain . I can see progress , but this is n't enough .
Is sue a hard worker ?
Pick the best answer from the following options:
A. Sue has developed thoroughly
B. Sue has become very talented
C. Sue is making good progress
D. Sue has not developed much


D