是否可以举例说明吗，总是搞不懂哪方违约。

问题如下：

Which of the following statements best describes a feature of an option contract? In an option contract: (2020 MOCK B AM 104)

选项：

A.

both the long and the short can default.

B.

only the short can default.

C.

only the long can default.

解释：

Only the short can default. This scenario occurs when the long exercises the option and the short fails to fulfill its obligation under the contract.

A is incorrect. Only the short can default. Beyond the initial payment of the premium, there is no further obligation for the long.

C is incorrect. Beyond the initial payment of the premium, there is no further obligation for the long.