[请教]高二英语单选题
1.She_____the book sometime in the past,or she ____the question so well.
A.must have read; couldn't have answered
B.must read; couldn't have answered
C.must have read; couldn't answer
D.must have read; can't answer
2.We are going to discuss the way of reading works____it is used for real life purpose,and this should give you a better understanding of it.
A.that
B.which
C.where
D.when
请达人解析一下以上两道题,并选出正确答案.