问题详情

What does the word "dermatologist" (Line 2, Para. 2) mean？
A．A person whose work is filling, cleaning and taking out teeth.
B．A person whose work is studying mental diseases.
C．A person whose work is healing eye diseases.
D．A person whose work is curing skin diseases.请帮忙给出正确答案和分析，谢谢！