Question

Which type of punctuation is the BEST choice for punctuation to indicate that someone’s words are being interrupted or to show that there is a sudden break in the sentence?
dashes
hyphens
commas
parentheses

Answer 1

The correct option is A.
Dashes are used in sentences to show interruption is speech or to show a sudden break in a sentence. For instance: Will mummy - can she- find out what we have done?
 Dash can also be used to give more detailed information about a particular thing. For instance:  My boss -  I mean, my former boss - wanted me to go out with him.<span />

Answer 2

The answer is dashes.

"I was about to—"

Hope this helps.