What part of speech is the underlined section of the following sentence? People without children objected paying for an education.

A) subject

B) predicate

C) run-on sentence

D) comma splice

Subject (I don't see a line under any words) but it's not a comma splice because there's no comma. Its not a run-on sentence because its too short. And it's for sure not a predicate. I have the highest grade in my high-school English class. it has to be a Subject I'm assuming

the cost of attendance or coa is an approximate budget for the cost of attendance of the whole academic year. in order to calculate this, universities take into consideration many factors like room and board, tuitions and fees, books, transportation and personal expenses such as medicine, laundry, clothing. all these factors combined make up the final sum to the cost of attendance in each university.

in our power to make a world happy - to teach mankind the art of being so - to a character hitherto unknown - and to have, as it were, a new creation intrusted to our hands, are honors that command reflection, and can neither be too highly estimated,