初中英语定语从句单选题

Tony, tell me the result of the discussion ______ you had with your dad yesterday.

A．what

B．which

C．when

D．who

—I hear you have moved into your new house .Congratulations !
-—Thanks. I especially like my study _______ is big and bright.

A．which

B．who

C．what

D．why

I’m interested in               you have told me .

A．which

B．all that

C．all what

D．that

Li Mei is the student _________ handwriting is the best in our class.

A．whose

B．whom

C．who

D．that