Answer:
A
Explanation:
A is the only adjective or describing situation; describing how she looked while the others use the adverb cheerfully to describe further the verb that came before it.
Answer:
It could mean that WWI created many more open opportunities for a disease to be spreaded because it was a corrupt time when many people had to fight in the war together live together etc. to survive which made many people more prone to catching diseases that people may have had.
Explanation:
B. You should not use the article as a reference. The lack of corroboration and outdated information outweigh the author's credentials.
