Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions
(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
A. Although
B. an
C. contain
D. cause
Đáp án D One of the major cause => One of the major causes