Gail Lives near a Fault Line

Gail lives near a fault line.She added an earthquake endorsement to her Homeowners 3 policy.All of the following statements about the endorsement are true EXCEPT

A) The deductible is expressed as a percentage of the coverage limit rather than as a dollar amount.
B) The endorsement also covers landslides and volcanic eruptions.
C) Aftershocks occurring within 72 hours of an earthquake are considered part of the same occurrence.
D) The endorsement also covers flood losses.