Which phrase or set of words is closest to the meaning of the underlined word as it is used in the paragraph? Use the thesaurus to find the correct meaning.

At the store, my grandmother wrote a check for her groceries. But she forgot to write her name at the bottom of the authorization. "No problem," she said when the store called. "I'll come right down and do it because I forgot to buy spaghetti anyway."What is the product of 2/3×5/8 written in simplest form?

A. a kind of mark
B. to keep back or restrain
C. record telling how much a bank needs from an account
D. test, verify
I need help asap!