Which Option Is Not a Description of Polynomial Trend Models $\beta$

Multiple Choice

Which option is not a description of polynomial trend models?

A) Higher level polynomials run the risk of overfitting.
B) MSE, MAD, MAPE cannot be used to compare polynomial trend models.
C) Adjusted R² is used to compare polynomial models.
D) The coefficient $\beta$ ₂ determines the direction of the linear trend line.