The enzyme that carries out this reaction shown in the diagram below is ________, and the end product is ________.

A) 3-phosphoglycerate synthetase; added to another carbon dioxide
B) 3-phosphoglycerate synthetase; reduced to glyceraldehyde-3-phosphate
C) nitrogenase; reduced to glyceraldehyde-3-phosphate
D) Rubisco; reduced to glyceraldehyde-3-phosphate
E) Rubisco; added to another carbon dioxide