The primary stress is indicated by writing the syllable on which it occurs in capital letters. From the words lettered A to D choose the one that has the correct stress.
Explanation
The correct stress for the word 'presidency' is 'PRE-si-den-cy'. In English, stress means pronouncing one syllable of a multisyllabic word with greater emphasis (stress) than the other syllables in the word. The primary stress in a word is the syllable that is pronounced with the most force. In the word 'presidency', the first syllable 'pre' is pronounced with the most force, hence it has the primary stress.