Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions. 

A. company

Giải thích: 

A. company /ˈkʌmpəni/ 

B. invention /ɪnˈvenʃn/ 

C. attitude /ˈætɪtjuːd/ 

D. manager /ˈmænɪdʒə(r)/ 

Choose B.