All of the Following Are Requirements That Must Be Satisfied

All of the following are requirements that must be satisfied before premiums are waived under a waiver-of-premium provision EXCEPT

A) The insured must furnish proof of disability to the insurer.
B) The insured must be disabled before some specified age,such as age 60 or 65.
C) The insured must satisfy the definition of disability.
D) The insured must satisfy a 2-year waiting period.