12. It can be inferred from the passage that soil composed of silica
(A) does not hold moisture
(B) is found only in Florida
(C) nourishes many kinds of ground cover
(D) provides food for many kinds of lizards
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統計: A(17), B(2), C(7), D(3), E(0) #803661
統計: A(17), B(2), C(7), D(3), E(0) #803661