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Verified Answer :

 opposite ray means a total of 180 degrees between the two angles, amd complementary angles equal 90.
so option C is correct 
hope this helps

we know that

Two angles are Complementary when they add up to \(90\) degrees and two angles are Supplementary when they add up to \(180\) degrees

f the exterior sides are opposite rays, then a straight line forms and you have the two angles add to \(180\) degrees

So

the angles are supplementary and not complementary

therefore

the answer is the option

Never