A.won the final by a 20-metre margin and made a new world recordB.won the final by a 2-metre margin and made a new world recordC.won the semi-final by a 20-metre margin and broke a world recordD.won the semi-final by a 2-metre margin and broke a world record
A.won the final by a 20-metre margin and made a new world record
B.won the final by a 2-metre margin and made a new world record
C.won the semi-final by a 20-metre margin and broke a world record
D.won the semi-final by a 2-metre margin and broke a world record