When Looking at an E-Mail from One of Her Project

When looking at an e-mail from one of her project managers, Patricia noticed that the e-mail was sent at nine-thirty in the evening. The next day she personally went to the employee's cubicle and told him how much she appreciated him staying late to get the project to the client on time. Which aspect of creating a positive organizational culture is Patricia utilizing?

A) rewarding more than punishing
B) building on organization strengths
C) emphasize individual growth
D) building on employee strengths
E) emphasizing organizational vitality and growth