Fill in the blank to complete the sentence:
This pandemic has taught us to be more _________ with hygiene

Option D is the correct answer.

Circumspect means cautious, careful, and aware of potential risks, which fits well in the context of hygiene during a pandemic

Option A: Chary also means cautious but is typically used in the sense of being hesitant or reluctant rather than careful with hygiene.
Option B: Tepid means lukewarm or unenthusiastic, which does not fit the sentence.
Option C: Suspicious means distrustful, which does not relate directly to hygiene practices.