Which of the Following Statements Does NOT Apply to Höglund

Which of the following statements does NOT apply to Höglund and colleagues' studies on mate-choice copying in black grouse?

A) Females synchronize their trips to male territories.
B) Stuffed "dummy" females were constructed to assess whether females prefer males that had mated previously.
C) Their studies suggest that younger, inexperienced females show a greater propensity to copy than older, experienced females.
D) A single male grouse monopolizes mating opportunity on the lek.
E) Females copy choices of other females only when the courting male is of superior quality.