Read the passage.

(1) universal health care should be adopted by every country around the world. (2) over 100 million people become poor every year because of healthcare bills. (3) imagine how it feels to be afraid to go to the doctor for fear of plunging into debt. (4) that is a really terrible thing, and governments need to act. (5) the world health organization (who) says that universal health care is achievable, even in poor countries. (6) the who recommends spreading the costs of health care across the population, so no one is overly burdened. (7) if a responsible organization like the who says it is possible, then worldwide governments should implement universal healthcare immediately.

which revision is the best way to strengthen the argument?

a sentence stating the claim should be added before sentence 1.

sentence 2 should be deleted because it does not clearly support the claim.

sentence 4 should be revised to incorporate strong supporting evidence.

a sentence that includes a strong rebuttal should be added after sentence 7.