The correct answer is B) using a heavier hawser. The reasoning behind this is that a heavier hawser, or towing line, can better withstand the sudden shock loads that occur during heavy weather conditions while towing. A heavier, more substantial hawser is less likely to experience excessive stretching or breaking under the increased stress, thus reducing the risk of the tow being compromised. The other options are not as effective in mitigating the effects of shock loading. A) using a nonelastic type hawser may not provide enough shock absorption, C) using a short tow hawser increases the likelihood of sudden jerking motions, and D) decreasing the catenary (slack) in the hawser can actually increase the shock loads transmitted through the system.