Questions 139~142 refer to the following news story. 
Nicole Ferreira, the owner of a $2 million business, has shared her tips __139__ how to look and feel confident as an introvert running a business. She __140__ introverts to dress well and comfortably, take small steps outside of their comfort zone and practice in advance to alleviate anxiety. Ferreira emphasizes the importance of taking care of one's mental and physical health by practicing meditation or exercise. She also suggests finding a supportive community, such as friends, family, or __141__ professionals.
Introverts may struggle with self-confidence when running a business, but with the right mindsetand strategies, it's possible to overcome self-doubt and achieve success. As Ferreira has shown, by prioritizing self-care, taking small steps outside of one's __142__ , and building a supportive network, introverted business owners can succeed and thrive.

【題組】139.
(A)on
(B)at
(C)along
(D)toward