If you are working on a research project in which you must present a short documentary film about the history of your family, the source that would be considered most credible for this project is hand-written letters from your great-great grandmother about her immigration.
You will get the most information from her letters.
All would seem appropriate, but I'd say D, since it assists you in gathering data to support your clause
Hello there!
The answer is: An exclamation mark!
She knew that!
As always, it is my pleasure to help students like you!
i did you say hello and how do it work out that way we have another server in the box so we have a a lot to say bye to him now.