Which of the Following Is an Example of a Sentence

Multiple Choice

Which of the following is an example of a sentence in which one idea is subordinated to the other?

A) The company saw a huge increase in quarterly profits, and it invested large amounts of money in research and development.
B) The company saw a huge increase in quarterly profits, yet it did not invest in research and development.
C) The company did not invest in research and development.
D) Although the company invested large amounts of money in research and development, it did not see an increase in quarterly profits.
E) The company has yet to generate sufficient profits to invest in research and development.