With Everything Else Constant, as the Expiration Date Gets Closer

With everything else constant, as the expiration date gets closer, what happens to the value of call and put options?

A) Call option will be worth more, put options will be worth less.
B) Call option will be worth less, put options will be worth more.
C) Both call and put options will be worth more.
D) Both call and put options will be worth less.