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: Pathology
Acquired, symmetric hyper pigmentation of the sun exposed skin of the face & neck which is strongly associated with pregnancy & use of oral contraceptives is called as 
Select and explain. 
A. Melanoma, B. Cafe-au-Lait-spots, C. Freckle, D. Melasma
D: Melasma
Answer: D: Melasma 
Explanation: None