several times, he still turned a deaf ear to the typhoon forecast.
A. Being warned
B. Having warned
C. Having been warned
D. I’ve warned him
网友回答
A. Being warned
B. Having warned
(答案→)C. Having been warned
D. I’ve warned him
解析：考查现在分词的完成式做状语：句意：被警告了好几次他仍然对台风警报置若罔闻。逗号后面是一个句子，前面应该是状语，因为是先被警告，然后不听，所以用现在分词的完成式，而且考虑到被动关系，选C。