試題詳解

38. Why do second generation migrant populations have a higher risk of developing allergies than their parents do?
(A) They are socially underprivileged and lack proper access to healthcare.
(B) They consume different diets that make them more prone to allergies.
(C) They experience longer exposure to allergens throughout their lives.
(D) They inherit allergies genetically from their parents.
(E) They usually bring more allergens from the rural areas to urban areas.