Question

_____ a pity that I forgot to bring your dictionary

1. A.
   It’s
2. B.
   This is
3. C.
   That’s
4. D.
   There’s

Answer 1

A
考察强调句型。本句中it做形式主语，指代下文that I forgot to bring your dictionary.
从句内容，其它选项无此用法。故选A。