单选题 ______ relates to the liability of the issuing bank, whereas ______ relates to the responsibility of the correspondent bank or other banks.
A. "Revocable" or "inrevocable", "unconfirmed" or "confirmed"
B. "Cancelled" or "cancellate", "confirmative" or "confirmed"
C. "Revocable" or "inrevocable", "confirmative" or "confirmed"
D. "Cancelled" or "incancelled", "unconfirmed" or "confirmative/