Choose the correct response A, B or C.

1. X: I never thought they would win by so many points!
    Y: ...
A. So did I.
B. Oh, I did.
C. I couldn't either.
2. X: My sister didn't do well in the tennis tournament.
    Y: ...
A. Nor am I.
B. So does mine.
C. Neither did mine.
3. X: You run so quickly!
    Y: ...
A. So are you.
B. So do you.
C. Neither do you.
4. X: I can't think of the name of that famous golfer.
    Y: ...
A. I can't either.
B. I don't either.
C. Neither do I.
5. X: I find ice hockey really difficult to understand.
    Y: Really? ...
A. Nor do I.
B. So am I.
C. I don't.