Which One of the Following Represents a "Healthy Plate

Which one of the following represents a "healthy plate"?

A) One-fourth meat,one-fourth grain,one-fourth vegetables,one-fourth carbohydrates
B) One-half vegetables,one-half meat and meat alternatives
C) One-fourth carbohydrates,one-half meat,one-fourth fruits and vegetables
D) One-fourth meat,one-fourth grain,one-half vegetables and fruits