Both A and C are correct.
Answer:
A
Explanation:
The authors only writes that if people help out more, the issue will go away. It gives no support and doesn't go into further details about how or why this supposed help will fix our problems.
Answer:
Headline
Explanation:
The headline gives the persuasive text the required tone that will catch the readers undivided attention because it is said that most readers read the headline but few would read what follows unless the headline is encouraging / captivating.