【答题库最新整理国开(电大)人文英语3-1379网上形考机考题库】We can certainly deliver high-quality education to many students at much ________ cost.

【答题库最新整理国开(电大)人文英语3-1379网上形考机考题库】We can certainly deliver high-quality education to many students at much ________ cost.
选择一项：
A. low
B. lowest
C. lower
译文：我们当然可以将高品质的教育以更低的成本传送给很多学生。