Which one of the listed requirements regarding the stability of inflatable liferafts does not correspond to present regulations?

A. The stability of inflatable liferafts shall be such that it
can be towed with full complement at a speed up to 3 knots.
B. The stability of inflatable liferafts shall be such that in
the event of capsizing it will automatically attain a position
providing an above water escape.
C. The stability of inflatable liferafts shall be such that when
floating in the inverted position it can be righted by one
person.
D. The stability of inflatable liferafts shall be such that when
floating in the inverted position it can be righted by one
person.