这题如果没有A选项 那选B可以吗

问题如下：

An analyst is performing a regression. The dependent variable is portfolio return while the independent variable is the years of experience of the portfolio manager. In his analysis, the resulting scatter plot is as follow:

The analyst can conclude that the portfolio returns exhibit:

选项：

A.

Heteroskedasticity

B.

Homoskedasticity

C.

Perfect multicollinearity

D.

Non-perfect multicollinearity

解释：