Which form of the adverb is underlined in the sentence?

valerie calls me more often than she used to.

a superlative

b positive

c comparative
the underlined word is more often

Afirefighter is a rescuer extensively trained in firefighting, primarily to extinguish hazardous fires that threaten life, property and the environment as well as to rescue people and animals from dangerous situations.  just cut some parts to make them shorter and add some of your facts or what describes them most. or what they are supposed to do.

That are the answer choice