The correct answer is B) its members discussed developments in the field of astronomy, physics, and medicine.

The passage tells about the Royal Society that its members discussed developments in the field of astronomy, physics, and medicine.

In the passage, we can read the many studies and discussions the Royal Societe had such as “…the lymphatic vessels, the Copernican hypothesis, the Satellites of Jupiter, or the spots in the Sun.” We see that its members discussed developments in the field of astronomy, physics, and medicine.

The Royal Society was created on November 28, 1960, in London, England, during the time of King James II. This organization promotes the study and discussion of science and arts.