D. The thesis. It's going be your statement that you're trying to prove.
A discourse community can be described as a group of people that share common goals, sources of information, terminology, and methods of communication along with a certain level of expertise and knowledge on a subject. However, it is often distinguished from 'speech community' on the grounds that speech communities are sociolinguistic groupings with communicative needs such as socialisation and group solidarity, whereas discourse communities are groupings based on common interests.
Answer: have been
Explanation:
Because ‘Sarah and her sisters has gone’ doesn’t sound right, ‘Sarah and her sisters has been’ also sounds wrong and ‘Sarah and her sisters have been’ doesn’t really make sense
C...
Hope I helped!!
Brainliest is always appreciated! =)