Sentence examples similar to doing this came from inspiring English sources

"Where did this come from?

How did this come to be?

So where does this come from?

"Where did this come from?" "Don't act so surprised.

"Where did this come from?" Piazza asked.

So how did this come about?

How did this come out, after all?

And where does this come from?

Does this come from a good place?

How/when did this come to be?

"When did this come in?" I say.