Hofmann Et Al

Hofmann et al. had participants wear artificial pinnae for about three weeks. Which of the following was a result of their study?

A) Participants could not adapt to wearing the artificial pinnae.
B) Participants adapted in about 19 days, but then could not accurately localize sounds when they removed the artificial pinnae.
C) Participants adapted in about 19 days, and then could accurately localize sounds when they removed the artificial pinnae.
D) Participants could not localize sounds along the azimuth with the new pinnae, but could localize sounds along the elevation coordinate after 3 days of adapatation.