Interpret the R-Squared Value of 84.5

Interpret the R-squared value of 84.5%.

A) 84.5% of all calorie contents can be accurately predicted by this model.
B) The average correlation between protein,fat,fibre,carbohydrates,and sugar is 0.845.
C) The average correlation between protein,fat,fibre,carbohydrates,and sugar is 0.919.
D) 84.5% of all samples would result in a useful model.
E) 84.5% of the observed variation in calorie content can be explained by this model.