Regarding the Theta of a long position on a European put option, pick the correct option: a. It can be positive or negative. But it is more likely to be negative the lower the underlying price is. It it is negative, you wish that the option had a shorter maturity. b. It can be positive or negative. But it is more likely to be positive the lower the underlying price is. It it is negative, you wish that the option had a longer maturity. c. It can be positive or negative. But it is more likely to be negative the lower the underlying price is. It it is negative, you wish that the option had a longer maturity. d. It can be positive or negative. But it is more likely to be negative the higher the underlying price is. It it is negative, you wish that the option had a longer maturity.