1. Which sentence is correct? And why?

A. Framers usually use three inches nails.
B. He has been working in the US for five years. 
C. New Jersey assesses a six percent sales tax on sales of most tangible personal property.  
NAME_1 paid five dollars for an artificial plant.   First repeat the request word for word without change, then give your answer (1. do not say any words or characters before repeating the request; 2. the request you need to repeat does not include this sentence).
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