A Debtor Will Be Denied a Chapter 7 Discharge If

A debtor will be denied a Chapter 7 discharge if he or she has received a Chapter 13 discharge within the past six years:

A) unless payments under that Chapter's plan totaled at least 100% of allowed unsecured claims.
B) unless payments under Chapter 13 totaled at least 70% of allowed unsecured claims and the plan was the debtor's best effort.
C) In all events.
D) Both (a) and (b) are alternative exceptions to the six-year rule.