The root fac, as in the word factory, most likely means

"to shape or mold."
"to break or bend."
"to do or make."
"to rub or brush."

C) to do or make.

Explanation: In linguistics, a root word holds the most basic meaning of any word. It's what's left after you remove all the affixes (the prefixes and suffixes). The root "fac" most likely means "to do or make" we can know this by looking for the meaning of words that contains this root, for example: factory, manufacturer, benefactor, etc. All these words express the idea of doing something, or acting, so the correct answer is option C.

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