Final answer:
The question likely refers to graduated driver licensing laws that restrict the number of non-family underage passengers a new driver can carry; the correct answer varies by jurisdiction.
Step-by-step explanation:
The question seems to pertain to graduated driver licensing (GDL) laws which impose restrictions on young, new drivers to increase safety. Typically, these restrictions limit the number of passengers under a certain age who are not members of the driver's immediate family that a novice driver can carry. The options provided: A) 2, 18, B) 3, 16, C) 4, 21, and D) 1, 25, appear to be potential restrictions. The correct answer would depend on the specific laws of the region in question since such laws vary by jurisdiction.