Read the following passage and answer the question. After an unpleasant conversation that touched on Vincent's absence, his unusual choices of clothing, and his
tactless handling of clients, Mr. Boussod fired him.

Based on the previous passage, what is the most likely definition for tactless?

A. Being overly friendly
B. Showing a lack of sensitivity in dealing with others
C. Displaying poor decision making skills
D. Having no emotions