What is the minimum following distance you should maintain in wet conditions?

Answer: C — 3 seconds

When driving in wet conditions, it is important to maintain a safe following distance to allow for enough time to react in case of sudden stops or hydroplaning. Option A (1 second) is incorrect because it does not provide enough time for the driver to safely stop or slow down. Option B (2 seconds) is slightly better, but still not enough time in wet conditions. Option D (4 seconds) is too excessive and may not be practical in high traffic situations. Therefore, the minimum following distance to maintain in wet conditions is 3 seconds, allowing for enough time to react and safely stop.