In the given sentences:

1. The incorrect part is A. drive. It should be "driving" to make the sentence grammatically correct: "You shouldn't obey the traffic rules when you're driving."

2. The incorrect part is C. and. It should be "and" instead of "and", and "fand" should be corrected to "fans". The corrected sentence would be: "New Zealand attracts lovers of nature and fans of dangerous sports."