Correct the pronoun references in the following passage. Please help I’ll mark you as brainliest if correct!

When astronomers study neutrinos, it defies all of the laws of physics.

If the four main points of this informational speech were changed 1. part-time job interviews ii. summer job interviews iii. college entrance interviews iv. full-time job interviews organization type would change from a. topical, cause-effect b. chronological, topical c. spatial, chronological d. cause-effect, spatial