One of your classmates moved to the United States from Somalia as a kid in the late 1990s. After seeing a picture of his family, you notice that he and his sister must have been undernourished for several years. You arrive at this conclusion because your classmate:_________.
a. your classmate always brings a large sandwich to class.
b. your classmate and his sister are both obese.
c. your classmate and his sister are both much shorter than their parents.