Which of the following regarding the impact of volatility on option prices is MOST true:

A$.$

Increased volatility of the underlying security has a negative effect on both call and put option premiums

B$.$

Increased volatility of the underlying security has a negative effect on call option premiums, but a positive effect on put option premiums

C$.$

Increased volatility of the underlying security has a negative effect on put option premiums, but a positive effect on call option premiums

D$.$

Increased volatility of the underlying security has a positive effect on both call and put option premiums