Questions 139~142 refer to the following passage.

Motivating entry-level employees is important for ensuring high levels of productivityand engagement. __139__ bonuses can be an effective motivator, there are othermethods that can be used to encourage employees to perform at their best. Onestrategy is __140__ opportunities for growth and development, such as trainingprograms, mentorship, or cross-functional projects. Giving employees autonomy andownership over their work can also __141__ motivation, as can providing regularfeedback and recognition for a job well done. Creating a positive work environmentthat __142__ work-life balance, team-building activities, and a sense of communitycan also help employees feel valued and motivated to succeed.
【題組】139.
(A)While
(B) Despite
(C)Unless
(D)Until