________ we can't join in the party．

A.It is a pity

B.That is a pity

C.It is a pity that

D.It is pity

答案及解析： C

解析：

主语从句位于句尾，使用先行词it作形式主语。It+be+名词词组(no wonder, an honour, a pity, no surprise, a good thing)+that从句，其中that不能省略。故排除A、B、D三项。