Which of the following is a driver-safety recommendation for keeping ordinary frustration behind the wheel from turning into aggressive driving?

Explanation

Managing your stress before driving and not taking another driver's mistakes personally are recommended ways to keep ordinary frustration from escalating into aggressive driving. Awareness of driving hazards, including a driver's own behavior, is part of the required knowledge CDL applicants must have under 49 CFR 383.111(a)(1)(ii), but that paragraph only points broadly at "procedures for safe vehicle operations"; it does not itself list stress-management techniques, which is standard driver-safety training content rather than a codified federal rule. The other options fail for a shared reason: each describes a retaliatory or confrontational response, signaling annoyance with lights or brakes, pressuring another driver by matching their speed, or blocking the passing lane, that itself models the selfish, pushy behavior aggressive driving is defined by, rather than defusing it.

Source: 49 CFR 383.111(a)(1)(ii)