Which of the Following Represents the Correct Size Ordering of These

Which of the following represents the correct size ordering of these three mineral particles of the soil,from smallest to largest?

A) Clay $\rightarrow$ silt $\rightarrow$ sand
B) Sand $\rightarrow$ clay $\rightarrow$ humus
C) Sand $\rightarrow$ silt $\rightarrow$ clay
D) Humus $\rightarrow$ silt $\rightarrow$ sand
E) Silt $\rightarrow$ sand $\rightarrow$ loam