You/may/have/allergy/so/careful/what/eat/drink

A. You may have the allergy, so must be careful what you eat and drink.

B. You might have an allergy, so be careful for what you eat and drink.

C. You may have an allergy, so be careful with what you eat and drink.

D. You might have an allergy, so you are careful of what you eat and drink.