Which Statement About Swordtails or Related Fish Is True

Multiple Choice

Which statement about swordtails or related fish is true?

A) Males with longer swords have increased mating success because females prefer them over other males.
B) The sword evolved before the females acquired a preference for swords.
C) In related fish that lack swords, females prefer males without swords over males with artificially produced swords.
D) Males with longer swords have increased mating success because males with longer tails win fights against other males.
E) In related fish that lack swords, females show no preference for sword length.