Which of the Following People Would Be Able to Make

Multiple Choice

Which of the following people would be able to make sufficient amounts of vitamin D without having to eat foods containing the vitamin?

A) someone who always wears sunscreen when outdoors in the daytime
B) someone who works in an office in a northern urban area
C) someone with light skin who wears light-weight clothing and walks outdoors daily
D) someone with dark skin who takes a 15-minute walk each day