The sometimes stark emotionality of Sylvia Plath's poetry affected some critics so that they did not at first grasp Plath's mastery of technique.


a) affected some critics so that they did not at first
b) so affected some critics that they did not at first
c) were affecting some critics enough that they, at first, did not
d) so affected some critics to, at first, not
e) affected some critics enough so as not, at first, to