In Which Case Are Life Insurance Benefits Not Payable

In which case are life insurance benefits not payable?

A) If the insured is killed in an accident ten days after the policy's effective date.
B) If the insured commits suicide within two years of the policy's effective date.
C) If the insured is diagnosed with a serious illness one month after the policy's effective date.
D) If the insured is killed in a car accident and the premium is 23 days overdue.