Answer:
In the quote when I count my blessings I count you twice, 'you' refers to a person who acts a blessing in someone's life. This quote refers to that a person who is a blessing acts to be special and that a person considers him/her to be more than a blessing
The majority of operas were made around the Orpheus legend. The most famous of these was the earliest performance of Monteverdi's "L'Orfeo." in 1607. Nevertheless, I highly believe the answer to this is B. Orpheus.