Which of the Following Statements Best Expresses Your Text's Conclusion

Which of the following statements best expresses your text's conclusion regarding the current state of the art in treating spinal cord injury?

A) Little attention has been directed toward the potential regeneration of spinal cord axons.
B) Scientists are really only beginning to tackle the potential regeneration of spinal cord axons.
C) Scientists have made substantial progress toward the potential regeneration of spinal cord axons.
D) In most cases, scientists are now able to regenerate spinal cord axons.