Hannah recently purchased a $100,000 term insurance policy and her policy will also allow her to increase her coverage by $10,000 each year up to a maximum of an additional $200,000 of coverage. The premiums for the additional coverage will be based on Hannah's age when the additions are made, however she will not need to provide proof of insurability.Which of the following is the type of rider that Hannah has on her policy?

a)paid-up additions rider

b)supplementary benefits rider

c)guaranteed insurability rider

d)accelerated death benefits rider