Answer:
The correct answer is "pronunciation".
Step-by-step explanation:
Word choice is an important feature when a text is being written or spoken, since it can affect the tone, clarity and final impression of the audience. A proper analysis of the correct word choice should take into considerations a lot of factors, but pronunciation is not one of them. The pronunciation is independent of the word choice, the way words are spoken is not affected by which and how words are used in a text.