Question

dr. shirley jackson was the first african american woman to graduate with a phd from the massachusetts institute of technology in nuclear physics, and her postgraduate research has played a monumental role in the advancement of telecommunications. jacksons extensive research helped to generate innovations that have led to the improved quality of modern telecommunications. for example, her experiments in the field of theoretical physics engendered the development of caller identification and call waiting. other inventions, including touch - tone telephones and fiber - optic cables, used theories directly linked to jacksons research. jackson was also appointed to serve as chair of the u.s. nuclear regulatory commission in 1995. jacksons research was

outdated

confidential

foundational

misunderstood

Explanation:

The text states that Dr. Shirley Jackson's research played a monumental role in telecommunications, leading to innovations like caller - identification, call - waiting, touch - tone telephones, and fiber - optic cables. This indicates that her research was foundational for these developments. There is no mention of it being outdated, confidential, or misunderstood.

Answer:

C. foundational