This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Hypophosphatemia is seen in -a) Pseudohypoparathyropdismb) CRFc) Ricketsd) Hyperparathyroidisme) Respiratory acidosis 
Select and explain. 
A. ab, B. cd, C. bd, D. ac
B: cd
Answer: B: cd 
Explanation: None