The railway station has always been a fascinating place, representing departure as well as ______. (arrive)

A．One can never evaluate Edison’s great inventions high enough.
B．One needs to understand Edison’s inventions to appreciate his career.
C．Edison’s inventions are his most outstanding contributions to human life.
D．Edison’s influence upon human society is much greater than his inventions.

A．My maternal grandfather retired from gardening at sixty-seven.
B．My maternal grandfather died young, when he was sixty-seven.
C．My maternal grandfather lost energy when he was sixty-seven.
D．My maternal grandfather was considered no longer young at sixty-seven.