A.
Fifty years is but a finger moment for the Chinese civilization with a history of 5000-more years.
B.
Fifty years is one finger moment for the Chinese civilization with a history of 5000-odd years.
C.
Fifty years is a short moment for the Chinese civilization with a history of 5000-more years.
D.
Fifty years is but a too short moment for the Chinese civilization with a history of 5000-odd years.