【单选题】

In paragraph three, first line, the expression "all-too waking reality" means _________.
A．the members of the family accept the reality that they will not wake from their sleep one day.

B．the members of the family realize that they will have fatal insomnia sooner or later.
C．doctors found that fatal insomnia will befall to the Italian family and everyone will die.
D．fatal insomnia patients will be waked by the doctors in hospitals.