HELP I NEED AN ANSWER ASAP THE TEST IS TIMED (WILL MARK BRAINLIEST IF ANSWER IS CORRECT)

Read the paragraph.

(1) According to theory, about 16,000 years ago an Ice Age occurred on Earth. (2) The cold climate caused ice bridges to form over the Bering Sea in Alaska. (3) Human beings used bridges to migrate from Asia to North America. (4) There are many other theories, but the Bering Land Bridge migration theory is the most widely accepted of how humans migrated to the Americas.

Which accurately evaluates the paragraph?

a. Sentences (1), (2), and (3) are accurate, while (4) needs revision.

b. Sentences (2), (3), and (4) are accurate, while (1) needs revision.

c. Sentences (1), (2), and (4) are accurate, while (3) needs revision.

d. Sentences (1), (3), and (4) are accurate, while (2) needs revision.