--- Personally, I think it is the sales manager, rather than the salesgirls, to blame.
--- I can’t agree any more.
A. is
B. that is
C. are
D. who are
网友回答
A. is
(答案→)B. that is
C. are
D. who are
解析：通过分析句子结构，可知这个句子中包含一个强调句型。因为去掉it is和that，剩下的是一个完整的句子，所以是强调句型，强调句的结构It is/was+被强调部分+that+句子的其他成分。