-How Did the Civil Defense Instructions on "Duck and Cover

-How did the civil defense instructions on "duck and cover" distributed to school children and the "before" and "after" photographs from a 1953 test explosion in the Nevada desert send a mixed message about surviving a nuclear attack?

A) The civil defense instructions warned that hiding underneath something protected against flying debris, while the photographs suggested that victims had enough time to flee a building.
B) The civil defense instructions depicted a nuclear blast as having the same impact as a stick of dynamite, while the photographs demonstrated a more powerful explosion.
C) The civil defense instructions implied that people could safely survive an attack if they hid under something, while the photographs contradicted this by showing complete destruction happening within seconds of impact.
D) The civil defense instructions could not guarantee personal safety in a nuclear attack, while the photographs showed that victims had a chance for survival.