Answer :
Final answer:
A warning sign at the end of a one-way separated highway indicates that you are entering a two-way highway and must adjust your driving accordingly.
Explanation:
A warning sign at the end of a separated one-way highway typically indicates that a driver should prepare for a transition to a different type of road. Specifically, in this case, it would mean B. You are entering a two-way highway. This type of sign is crucial for alerting drivers that they should be ready to adjust their driving as oncoming traffic will now be present, which is a significant change from a separated one-way highway where all traffic moves in the same direction.