While researching a topic, a student has taken the following notes:

In 1897, African American inventor Andrew Beard invented an automatic coupler.
It improved on the existing design of train car couplers.
It made the job of connecting train cars safer.
In 1938, African American inventor Frederick Jones invented a mobile refrigeration system.
It improved on the existing design of food transport trucks.
It enabled trucks to carry perishable foods farther.
The student wants to emphasize a similarity between Beard’s invention and Jones’s invention. Which choice most effectively uses relevant information from the notes to accomplish this goal?
Choose 1 answer:
Choose 1 answer:
(Choice A) Jones’s mobile refrigeration system, which he invented in 1938, made it possible for food transport trucks to carry perishable foods farther.
A
Jones’s mobile refrigeration system, which he invented in 1938, made it possible for food transport trucks to carry perishable foods farther.
(Choice B) In 1897, Beard invented an automatic coupler, which made the job of connecting train cars safer.
B
In 1897, Beard invented an automatic coupler, which made the job of connecting train cars safer.
(Choice C) Beard’s automatic coupler and Jones’s mobile refrigeration system both improved on existing designs.
C
Beard’s automatic coupler and Jones’s mobile refrigeration system both improved on existing designs.
(Choice D) Beard’s invention made the job of connecting train cars safer, whereas Jones’s invention enabled food transport trucks to carry perishables farther.
D
Beard’s invention made the job of connecting train cars safer, whereas Jones’s invention enabled food transport trucks to carry perishables farther.

(Choice C) Beard’s automatic coupler and Jones’s mobile refrigeration system both improved on existing designs.

This choice effectively emphasizes the similarity between Beard's and Jones's inventions by highlighting the fact that both improved on existing designs. It shows that both inventors made advancements in their respective fields by building upon previous technology.