Answer:
B) Being overly ambitious
Step-by-step explanation:
Ambition is not a bad thing, it is probably one of the best traits that an employee can have, but an excess of something great isn't always good. Yolanda is so worried about upper management noticing how good she is at her work, that she might end up overloading her staff with work that may or may not be necessary or productive. That might result in a decrease in productivity or efficiency. Her subordinates might perform a lot of tasks, but how efficiently will they do it?