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 and see rhinoceroses after their horns are trimmed.
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 and see rhinoceroses after their horns are trimmed.
(A) whether tourists will continue to visit game parks and see rhinoceroses after their horns are
(B) whether tourists will continue to visit game parks to see one once their horns are
(C) whether tourists will continue to visit game parks to see rhinoceroses once the animals' horns have been
(D) if tourists will continue to visit game parks and see rhinoceroses once the animals' horns are
(E) if tourists will continue to visit game parks to see one after the animals' horns have been
关于现在完成时,看了论坛里的解析,仍旧不明白。其中由于their horns are trimmed 整个的动作发生在游客参观之前,因此用完成时。但是我做题时想到的是条件句的主将从现的用法,主句是 tourists will continue to visit 将来时,从句不应该是once their horns are么,难道这里不是条件句或者主将从现用法有局限?求助