CAT 2017 Quant Based LR — Previous Year Question

Long term usage of antibiotics causes the disease 'Cretosis' as it decreases the secretion of hormone X. While body can endure the level of hormone X dropping to half the required number of micrograms, levels dropping to 23 micrograms needs immediate medical attention. Which of the following can be concluded from the given statement? (a) A patient can be said to have Cretosis only if his/her hormone X levels are 23 micrograms or low. (b) Usage of antibiotics on a short term cannot cause 'Cretosis' ever to a minor extent. (c) All micrograms is exactly half of the amount of hormone X required daily by the body. (d) In a patient with hormone X level of 21 microgram, if administered another 23 micrograms would bring the level to absolute normal.