A不对吗？

问题如下：

The call is worth exercising when

选项：

A.

the underlying asset price is equal to the exericise price

B.

the underlying asset price exceeds than the exericise price

C.

the underlying asset price is less than the exericise price

解释：

B is correct. The call is worth exercising only if the value of the underlying is greater then the exercise price.

中文解析：

对于看涨期权，当现货价格大于行权价格时行权才有意义。