________ is often the case with elder people, my grandma talked about my new hairstyle for at least 50 minutes nonstop.

_______is often the case with elder people, my grandma talked about my new hairstyle for at least 30 minutes.

A. What         B. Which      C. As           D. It

________ is often the case with elder people, my grandma talked about my new hairstyle for at least 50 minutes nonstop.

A．That             B．Which            C．As               D．It

______ is often the case with elder people, my grandma talked about my new hairstyle for at least 50 minutes nonstop.

    A. That               B. Which              C. As                 D. It

________ is often the case with elder people, my grandma talked about my new hairstyle for at least 50 minutes nonstop.

1. A.
   That
2. B.
   Which
3. C.
   As
4. D.
   It