My guess is A. Not a tone of info to go with, but I am a sarcastic god.
I feel that C. is definitely one of the answers. D. might also be an answer.
Older adults<span> become </span>more susceptible to infections<span> due to several factors. The combination of increased comorbid conditions and the decrease in activity of the immune system can make people </span>more prone to infections<span>.</span>
Personal Liberty in the United States is the capability of having freedom. For example, a person will have freedom of doing as they please, etc. In Australia, there is freedom of speech, religion, opinion, etc. In some ways, the personal liberty can be similar with The United States and Australia.
