B. least satisfying because it is the lowest degree of satisfactory
hope this helps!
I believe you would use the semicolon. I'm not totally sure. ( ; )
Answer:
As with all Coronavirus vaccines, health workers at high risk of exposure and older people should be prioritized for vaccination
It would be cooler full but I don’t know if it’s a predictors or prey so if it’s colorful predators and not colerfull prey