Final answer:
The author is unsure about witnessing universals in their entirety, as the passages discuss the limits of sensory experience and language in perceiving universals. The correct option is b. Witnessing the whole universal per se.
Step-by-step explanation:
The author is most likely unsure about witnessing the whole universal per se when it comes to imagining universals. The given passages suggest a concern with the limits of sensory experience and linguistic expression in understanding universals, such as colors and sounds.
It highlights the potential distinctions in color perception based on the linguistic categories available in one's language, touches on how sensory data informs our mental representations, and delves into a philosophic inquiry on the persistence of objects and constancy of perception, possibly referencing God as an explanation for universal perception. The correct option is b. Witnessing the whole universal per se.