What Is Ineffective in Reducing the Possibility of Earthquake's Damage

Multiple Choice

What is ineffective in reducing the possibility of earthquake's damage to a building?

A) using base isolation pads between the building and its foundation
B) using diagonal bracing in the walls
C) adding sheets of plywood to the walls
D) anchoring the building to its foundation
E) loading the ground floor with heavy weights to prevent it from moving so much