A proposal has been made to trim the horns from rhinoceroses to discourage poachers; the question is whether tourists will continue to visit game parks parks to see rhinoceroses once the animals' horns are trimmed.

a.) whether tourists will continue to visit game parks parks to see rhinoceroses once the animals' horns are

b.) whether tourists will continue to visit game parks to see rhinoceroses once the animals' horns have been