Question: Which of the following is correct regarding the time limit for responding to a complaint? a. For federal court and state court, the time limit is set by federal statute. b. In federal court, the time limit is generally 21 days, unless the defendant has waived service under Rule 4. c. If service is waived, a defendant in the United States is allowed 90 days after the date the request for waiver was sent. d. For federal agencies and federal employees, special rules have been suspended, so the time limits are the same as for other defendants.