【单选题】The governing board of the new league has modified its rules so that pre-existing teams can stay together even though not all their members meet the new minimum age requirement.
A.
not all their members meet the new minimum age requirement
B.
the new minimum age requirement has not been met by all their members
C.
not all their members have met the new minimum age, as required
D.
all their members have not met the new minimum age requirement
E.
all their members do not meet the new minimum age requirement