Final answer:
A distracted driver might exhibit signs such as maintaining their position in a single lane, changing their speed erratically for no apparent reason, providing space for merging traffic, or reducing their speed dramatically to avoid conflict with other vehicles.
Step-by-step explanation:
A distracted driver might exhibit the following signs:
- Maintaining their position in a single lane for an extended period of time.
- Changing their speed erratically for no apparent reason.
- Providing adequate space ahead and behind their vehicle for merging traffic.
- Reducing their speed dramatically to avoid conflict with other vehicles.
In the provided options, B (Changing their speed erratically for no apparent reason) would be the sign that indicates a distracted driver.