(A) A European option can only be exercised at expiry
(B) An American option can only be exercised at expiry
(C) A European option is a right but not obligation
(D) An American option is a right but not obligation
(A) A European option can only be exercised at expiry
(B) An American option can only be exercised at expiry
(C) A European option is a right but not obligation
(D) An American option is a right but not obligation