The Living Organisms and their Surroundings

If you happen to go to a desert, what changes do you expect to
observe in the urine you excrete? You would
(i) excrete small amount of urine.
(ii) excrete large amount of urine.
(iii) excrete concentrated urine.
(iv) excrete very dilute urine.
Which of the above would hold true?
(a) (i) and (iii) (b) (ii) and (iv)
(c) (i) and (iv) (d) (i) and (ii