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
30-year old Basanti presents with light brown lesions involving both her cheeks. The lesions had never been erythematous. Which of the following is the most probable diagnosis: 
Select and explain. 
A. SLE, B. Chloasma, C. Air borne contact dermatitis, D. Photo sensitive reaction
B: Chloasma
Answer: B: Chloasma 
Explanation: Answer is B (Chloasma):