How can a uniporter, GLUT2, be sufficient for entry of glucose from intestinal epithelial cells into the bloodstream?

This is because we know the amount of Glucose inside the intestinal epithelial cell is higher than in the bloodstream so a uniport in the basolateral surface of the intestinal epithelial cell canbbe used to move glucose into the blood stream and it is the two-Na+/one-glucose symporter placed in the apical surface, acting as secondary active transport that generates the high amount of glucose inside the epithelial cell

the overall balanced equation

6co2 + 6h2o > c6h12o6 + 6o2

sunlight energy

where: co2 = carbon dioxide

h2o = water

light energy is required

c6h12o6 = glucose

o2 = oxygen

i believe the correct answer is d