C makes the best sense. It's comma is correctly placed and the sentence is not over complicated.
Answer:
Antibiotic resistance is one of the biggest threats to global health, food security, and development today.
Antibiotic resistance can affect anyone, of any age, in any country.
Antibiotic resistance occurs naturally, but misuse of antibiotics in humans and animals is accelerating the process.
A growing number of infections – such as pneumonia, tuberculosis, gonorrhoea, and salmonellosis – are becoming harder to treat as the antibiotics used to treat them become less effective.
Antibiotic resistance leads to longer hospital stays, higher medical costs and increased mortality.
Answer:
Grammatical name: subject
Function: topic of the sentence
Explanation:
In the sentence "The economic importance of wetlands is seldom appreciated," the part "the economic importance of wetlands" is the subject of the sentence. A subject is the topic of the sentence, that is, what the sentence describes or talks about. The subject is one of the essential elements to constitute a sentence, and the other elements exist to give information about it. For example, the verb will express an action performed by the subject or, as is the case here, connect it to a quality that describes it.
A. Suddenly B. Very C. Softly
