It is worth pointing out that the mishearing or misunderstanding of instructions in English, and the use of another language, in an international conversation, two recent aircraft accidents.
A. leading to
B. to lead to
C. led to
D. have led to
网友回答
A. leading to
B. to lead to
C. led to
(答案→)D. have led to
解析：考察句子结构。根据句子结构可知，该部分是谓语，排除AB。根据句意可知，该过去的动作对现在产生了影响，即worth pointing out，所以选择现在完成时。
句意为，值得指出的是，英语中对指令的误听或者误解，和在国际交流中另外一种语言的使用，导致了最近的这两次飞机事故。