question_answer

Fill in the blanks with correct combination of words.

\[\underline{\,\,\,\,P\,\,\,\,}\]is the colored part of our eye. It has a hole at its center called  \[\underline{\,\,\,\,Q\,\,\,\,}\] Iris controls the amount of  \[\underline{\,\,\,\,R\,\,\,\,}\] entering the eye by  \[\underline{\,\,\,\,S\,\,\,\,}\] the size of pupil.

A) P-pupil, Q-iris, R-light, S-adjusting

B) P-iris, Q-pupil, R-light, S-adjusting

C) P-retina, Q-pupil, R-light, S-expanding

D) P-iris, Q-retina, R-light, S-contracting

E) None of these