Final answer:
The quote pertains to the Shakespearean play 'Macbeth', where Malcolm and Donalbain are suspected of their father's murder due to their flight from Scotland.
Step-by-step explanation:
The quote 'Malcolm and Donalbain, the King's two sons, Are stol'n away and fled, which puts upon them Suspicion of the deed' is from a Shakespearean play and is the correct answer to the question. Specifically, it is from Macbeth, Act 2, Scene 4. This segment of the play deals with the aftermath of King Duncan's murder. His sons, Malcolm and Donalbain, are suspected because they flee Scotland to avoid being killed themselves, a common plot development in Shakespeare's plays involving royal intrigue and the aftermath of a crime.