问题补充：
-- It is fairly warm today.
-- So and so yesterday.
A. it is, was it
B. it is, it was
C. is it, was it
D. is it, it was
答案：
(答案→)A. it is, was it
B. it is, it was
C. is it, was it
D. is it, it was
解析：考查结构：so + 主语+ 助动词，表示对上句话的肯定；so + 助动词+ 主语，是倒装结构，另一个主语也适合前一种情况。句意：今天相当的热。今天的确很热，昨天也很热。根据语境应选A。
