B.In Vienna musicians first played the harpsichord, but, then someone invented the piano.
C.In Vienna musicians first played the harpsichord but, then someone invented the piano.
D.In Vienna musicians first played the harpsichord but then someone invented the piano.
For us, watching a game live was the (most amazing) experience of all.
^underlined^
A.
positive
B.
comparative
C.
superlative
I think it's b or c but i don't know