The correct answer is annoyance.
The correct answer is (B) annoyance; irritation; vexing; being vexed. Also, that which vexes or annoys.
Vexation comes from Latin vexationem, vexatio, vexare (to vex).
Examples of use:
- The congested traffic on the expressway each day was a vexation.
- His supervisor's inability to make decisions was another vexation in his life.