(A) Although they are (B) an inexpensive supplier of vitamins, minerals, and high quality protein, eggs (C) contain a high level of blood cholesterol, one of t...

Câu hỏi :

(A) Although they are (B) an inexpensive supplier of vitamins, minerals, and high quality protein, eggs (C) contain a high level of blood cholesterol, one of the major (D) cause of heart disease.