For This Pair of Items, Choose the Option That Best

For this pair of items, choose the option that best describes their relationship. (A) The average size of particles that constitute silt
(B) The average size of particles that constitute clay

A) Item (A) is greater than item (B) .
B) Item (A) is less than item (B) .
C) Item (A) is exactly or very approximately equal to item (B) .
D) Item (A) may stand in more than one of the above relations to item (B) .