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?
A
Beard’s automatic coupler and Jones’s mobile refrigeration system both improved on existing designs.
B
In 1897, Beard invented an automatic coupler, which made the job of connecting train cars safer.
C
Beard’s invention made the job of connecting train cars safer, whereas Jones’s invention enabled food transport trucks to carry perishables farther.
D
Jones’s mobile refrigeration system, which he invented in 1938, made it possible for food transport trucks to carry perishable foods farther.
Explanation
Correct answer: A.
Choice A is the best answer. It compares Beard’s and Jones’s inventions to one another, and emphasizes what they have in common.
Why the other choices are wrong
Choice B
Choice B is incorrect. This choice doesn’t emphasize a similarity. It only mentions Beard’s invention. It doesn’t compare it to Jones’s invention.
Choice C
Choice C is incorrect. This choice doesn’t emphasize a similarity between the two inventions. Instead, it emphasizes a difference.
Choice D
Choice D is incorrect. This choice doesn’t emphasize a similarity. It only mentions Jones’s invention. It doesn’t compare it to Beard’s invention.