Which of the following lines foreshadow Oedipus’s eventual blindness?
For the accursed polluter of this land is you
Those eyes of yours, which now can see so clearly, will be dark
Creon, my old trusted family friend, has secretly conspired to overthrow me
He will be poor, although he now is rich

Those eyes of yours, which now can see so clearly, will be dark

Explanation:

The statement was made by Teiresas, a Theban prophets who stays in the underworld, among many of his project to Oedipus, is that Oedipus' parents curse will someday drives him out of the land, he went futher to prohecy that, Oedipus will someday go blind, by saying "Those eyes of yours, which now can see so clearly, will be dark."

Hence, the line "Those eyes of yours, which now can see so clearly, will be dark." foreshadowed Oedipus eventual blindness.

the answer is d. amendments.