Research on architectural competence in pharmaceutical firms suggests that

Research on architectural competence in pharmaceutical firms suggests that
A) not only do some firms possess this competence, but that other firms do not; firms without this competence have, on average, been able develop it with minimal investment.
B) very few firms possess this competence, but firms without this competence, on average, are able to develop it.
C) not only do some firms possess this competence, but also that other firms do not and firms without this competence have, on average, been unable to develop it.
D) virtually every firm possesses this competence to some extent.