Answer:B.Call your manager and report that you are sick
Step-by-step explanation:
These two can be contagious which means the whole office may be infected so staying away for atleast 24 to 48 hours whilst you treat them will assist to ensure you don't pass them to your colleagues.
A sore throat can indicates that you have a cold or flu, staying home and getting sufficient rest whilst your treat these symptoms will be good in ensuring that you don't spread the flu but you also recover.
Diarrhoea and vomiting are also contagious so being away from work and treating them will preven the case of diarrhoea infection to all your colleagues.