Ling Lear, Act I, Scene I, example 1

The Earl of Kent and the Earl of Gloucester both belong the nobility; they are at the King's Court. Gloucester explains, that his son Edward is a "bastard son", because he is not his real son.

Kent: Is not this [A] son, my lord?
Gloucester: His breeding, sir, hath been at my charge. I have so often blush'd to acknowledge him that now I am braz'd to't.
Kent: I cannot conceive [B].
Gloucester: Sir, this young fellow's mother could; whereupon she grew round-womb'd, and had indeed, sir, a son for her cradle ere she had a husband for her bed. Do [C] smell a fault?

Position A has to be:

thy
your
thou

Position B has to be:

thou
thee
you

Position C has to be:

thee
you
your

watch example 1, King Lear 1,1