Who is it?<br />It's me, Steven.<br />Hi, Steven. Come in, please.<br />Hi, Amy. This is my brother, Sam.<br />Who is it?<br />It's me, Steven.<br />Hi, Steven. Come in, please.<br />Hi, Amy. This is my brother, Sam.
A . He is Amy's brother.B . He is Steven's brother.C . He is Steven's friend.
