Answer:
The correct option is diacritical marks and respelling.
Step-by-step explanation:
On one hand, a pronunciation respelling is a notation used in the English language to convey the pronunciation of words. On the other hand, a diacritical mark, also known as the accent mark, is a symbol added to a letter that alters its sense or pronunciation, indicating as well its appropriate stress.
Bearing the above in mind, it could be said that the dictionary feature that helps to pronounce a word is diacritical marks and respelling.