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

A. worker

Đáp án C

A. worker / 'wɜ:kǝr/ (n): công nhân

B. borrow /'bɒrǝʊ/ (v): vay mượn

C. cartoon /kɑ: 'tu:n/ (n): phim hoạt hình

D. happen /'hæpǝn/ (v): xảy ra