Why did vitamin therapy begin losing favor in the...

Câu hỏi: Why did vitamin therapy begin losing favor in the 1950's ? 

A The public lost interest in vitamins.

B Medical schools stopped teaching nutritional concepts.

C Nutritional research was of poor quality

D Claims for the effectiveness of vitamin therapy were seen to be exaggerated.

Câu hỏi trên thuộc đề trắc nghiệm

Đề luyện thi Đánh giá năng lực môn Anh - số 13