The supplication in the Ruku posture is
Subhana Rabiyal-A'la
Subhana lillah Walhmd lilah
Subhana Rabbika Rabbil'izzah
Subhana Rabbiyal Azim
Correct answer is D
The supplication in the Ruku posture is subhana Rabbiyal Azim.To recite Subhana Rabbiyal 'Azim at least three times in Ruku' position.