Which two sentences from the paragraph are in need of revision to maintain the established style?
a) "the list of possible topics was distributed."
b) "my group decided to examine the effects of global warming."
c) "we discussed deadlines and she answered everyone’s questions."
d) "i wondered if it would be as bad as last year’s nightmare with mrs. bryner."
e) "we have to turn in an annotated bibliography, so many documents will be read by me this weekend."