What is a binaural cue?
a. single eye and a single ear triangulating distance
b. two ears hearing different frequencies of the same sound
c. two-eared cue to localize sound
d. two-eyed cue to focus distant sight

Two-eared cue to localize sound is a binaural cue.

Option C

Explanation:

When mechanical vibrations go through air and water kind medium than the result is sound through the procedure of rarefaction and compression. When the location of sound source is searched than the entire process is named as sound localization.

Binaural cue is explained as the variations in the sound from any source of sound which enters into both of the ears and demonstrated as cue in order to permit auditory localization. The very popular cues are IPD (Interaural Phase Differences), ILD (Interaural Level Differences) and ITD (Interaural Time Differences).

what he said above me         look up that's the answer

you answered your own : -/