Question

The pronunciation aid that determines the stress placed upon a syllable is the _____.

a.apostrophe
b.accent mark
c.exclamation point

Answer 1

b, accent mark, because they are placed on the parts of the word that is stressed when pronouncing the word

Answer 2

B. Accent mark.

Step-by-step explanation:

Also known as a diacritic, is a glyph added to a letter.

In the Latin script, the main use of the accent mark is to change the sound-values of the letter in which is added.

I hope this answer helps you.