19. Welcome to Highway Equipment Company. We are the leading manufacturer of Hi-Way winter maintenance equipment including salt and sand spreaders, snowplows, and multi-purpose dump bodies. Our New Leader brand of agricultural spreaders and precision farming controllers leads the industry in quality and technology. Flow Boy, our newest line of asphalt hauling equipment includes a variety of trailer and chassis-mount live bottom material transporters.
Q. What is the main topic of the passage?
a. A sale announcement
b. A product review
c. An introduction to the comapny
d. An introudction to a new product
이게 상품광고하는건지 뭔지는 잘 모르겠지만 답은 c라네요.. 설명부탁드려욤