Read the extract and answer the question

...The Duke of Milan
And his more braver daughter could control thee,
If now't were fit to do't. At the first sight
They have changed eyes. Delicate Ariet,
I''ll set thee free for this!
(Act 1, scene two, lines 441-445)

What does ''they have changed eyes'' mean?

• A.they have exchanged looks at each other
• B.they have met before
• C.they have fallen in love
• D.they have lost sight