Answer:
Maybe you have some sort of allergy. This isn't always the case, maybe you got water up your nose and its coming back out, or maybe you have fluids that need to leave your body. Or just maybe you're sick. In which case wear a mask when going outside.
Explanation:
The adverb is either because it helps describe the sentence more.
the answer is c.They stress how the work towards achieving total equality won't be easy or pleasant.
