Two Graduates from McMaster University in the 1980's Are Now

Two graduates from McMaster University in the 1980's are now working for similar businesses but are at different levels in their organizations.JoAnne is the CEO of her firm and Sharon can't seem to get beyond the regional manager position she has held for over fifteen years.What likely makes JoAnne an "arriver" and Sharon a "derailer"?

A) JoAnne's flaws are to be overly ambitious and not delegate well to subordinates, whereas Sharon's flaw is that she can be cold, aloof, and arrogant.
B) JoAnne's flaw is that she can be insensitive at times, whereas Sharon's flaw is she has difficulty finding the right staff.
C) Sharon's flaw is that she has trouble thinking strategically, whereas JoAnne's flaws are insensitivity and trouble adapting to a boss that has a different management style from hers.
D) Sharon's flaws are that she has difficulty with specific business problems and overmanages, whereas JoAnne's flaw is that she can be overly dependent on a mentor at times.