10. If an issue involving a state statute arises in federal court, the federal judge sitting in that state O A. must personally look up the law and then can take judicial notice. O B. can't take judicial notice of the laws of the state. O C. may not take judicial notice of state laws but may take judicial notice of municipal ordinances and federal laws. O D. may take judicial notice of the law of that state without requiring a witness to testify concerning the law