Choose the word that derive from the other three in the position of the primary stress: struggle, support, reform

A. struggle /’strʌg.ǝl/ (v): fight, struggle

B. derive /di rǝɪv/ (v): derived from

C. support /sǝ’ pɔ:t/ (v): support

D. reform / rɪ fɔ:m/ (v): reform

Answer A has stress on the first syllable, the rest of the answers on the sound fall on the second syllable.